{"id":228,"date":"2023-07-10T21:50:05","date_gmt":"2023-07-10T21:50:05","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e7%ac%9b%e5%8d%a1%e5%b0%94%e5%b9%b3%e9%9d%a2-2d-r2-%e4%b8%ad%e4%b8%a4%e6%9d%a1%e7%ba%bf%e7%9a%84%e7%9b%b8%e5%af%b9%e4%bd%8d%e7%bd%ae%e7%a4%ba%e4%be%8b\/"},"modified":"2023-07-10T21:50:05","modified_gmt":"2023-07-10T21:50:05","slug":"%e7%ac%9b%e5%8d%a1%e5%b0%94%e5%b9%b3%e9%9d%a2-2d-r2-%e4%b8%ad%e4%b8%a4%e6%9d%a1%e7%ba%bf%e7%9a%84%e7%9b%b8%e5%af%b9%e4%bd%8d%e7%bd%ae%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e7%ac%9b%e5%8d%a1%e5%b0%94%e5%b9%b3%e9%9d%a2-2d-r2-%e4%b8%ad%e4%b8%a4%e6%9d%a1%e7%ba%bf%e7%9a%84%e7%9b%b8%e5%af%b9%e4%bd%8d%e7%bd%ae%e7%a4%ba%e4%be%8b\/","title":{"rendered":"\u5e73\u9762\u5185\u4e24\u6761\u76f4\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e"},"content":{"rendered":"<p>\u5728\u6b64\u9875\u9762\u4e0a\uff0c\u60a8\u5c06\u627e\u5230\u7528\u4e8e\u786e\u5b9a\u5e73\u9762\u4e2d\u4e24\u6761\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff08\u5728 R2 \u4e2d\uff09\u7684\u4e0d\u540c\u65b9\u6cd5\u7684\u8bf4\u660e\u3002\u6b64\u5916\uff0c\u60a8\u5c06\u770b\u5230\u51e0\u4e2a\u793a\u4f8b\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u9010\u6b65\u89e3\u51b3\u7684\u7ec3\u4e60\u8fdb\u884c\u7ec3\u4e60\u3002 <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-104\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcual-es-la-posicion-relativa-de-dos-rectas-en-el-plano\"><\/span>\u5e73\u9762\u4e0a\u4e24\u6761\u76f4\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\u662f\u591a\u5c11\uff1f <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-105\"><\/div>\n<\/div>\n<p>\u5728\u67e5\u770b\u5e73\u9762\u4e2d\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\u4e4b\u524d\uff0c\u663e\u7136\u60a8\u9700\u8981\u786e\u5207\u5730\u77e5\u9053\u7ebf\u662f\u4ec0\u4e48\uff0c\u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/mathority.org\/cn\/\u7ebf\u7279\u5f81\u7c7b\u578b\u7684\u5b9a\u4e49-\u76f4\u7ebf\u793a\u4f8b\/\">line \u7684\u5b9a\u4e49<\/a>\u4e2d\u627e\u5230\u5b83\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5f53\u5728\u4e8c\u7ef4\uff08R2\uff09\u4e2d\u5de5\u4f5c\u65f6\uff0c\u4e24\u6761\u7ebf\u4e4b\u95f4\u6709 3 \u79cd\u53ef\u80fd\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a <\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-136\">\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#ff6f00\"><strong>\u76f8\u4ea4\u7ebf<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angles-droits-secants.webp\" alt=\"\u4e24\u6761\u76f8\u4ea4\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\" class=\"wp-image-1644\" width=\"205\" height=\"192\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u4e24\u6761\u76f8\u4ea4\u7ebf\u53ea\u6709\u4e00\u4e2a\u516c\u5171\u70b9\u3002 <\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#ff6f00\"><strong><strong>\u5e73\u884c\u7ebf<\/strong><\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/droites-paralleles-a-langle.webp\" alt=\"\u5e73\u884c\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\" width=\"209\" height=\"189\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u5982\u679c\u4e24\u6761\u7ebf\u6ca1\u6709\u516c\u5171\u70b9\uff0c\u5219\u5b83\u4eec\u5e73\u884c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u4ed6\u4eec\u4ece\u4e0d\u4ea4\u53c9\u3002 <\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#ff6f00\"><strong>\u91cd\u5408\u7ebf<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-coincident-lignes.webp\" alt=\"\u91cd\u5408\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\" width=\"189\" height=\"168\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u5982\u679c\u4e24\u6761\u7ebf\u7684\u6240\u6709\u70b9\u90fd\u662f\u516c\u5171\u7684\uff0c\u5219\u4e24\u6761\u7ebf\u662f\u76f8\u540c\u7684\u3002 <\/p>\n<\/div>\n<\/div>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-106\"><\/div>\n<\/div>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5e73\u9762\u4e2d\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u89d2\u5ea6\u4e5f\u53d6\u51b3\u4e8e\u5b83\u4eec\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a<\/p>\n<ul>\n<li>\u76f8\u4ea4\u7ebf\u4ee5 0\u00b0\uff08\u4e0d\u5305\u62ec\u5728\u5185\uff09\u548c 90\u00b0\uff08\u5305\u62ec\u5728\u5185\uff09\u4e4b\u95f4\u7684\u89d2\u5ea6\u76f8\u4ea4\u3002\u6b64\u5916\uff0c\u5982\u679c\u5b83\u4eec\u4ec5\u5f62\u6210 90\u00b0 \u76f4\u89d2\uff0c\u5219\u610f\u5473\u7740\u8fd9\u4e24\u6761\u7ebf\u662f\u5782\u76f4\u7684\u3002<\/li>\n<li>\u5e73\u884c\u7ebf\u5f62\u6210\u7684\u89d2\u5ea6\u4e3a 0\u00b0\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u76f8\u540c\u7684\u65b9\u5411\u3002<\/li>\n<li>\u5e76\u4e14\uff0c\u51fa\u4e8e\u540c\u6837\u7684\u539f\u56e0\uff0c\u91cd\u5408\u7ebf\u4e4b\u95f4\u4e5f\u5f62\u6210 0\u00b0 \u89d2\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u60f3\u77e5\u9053\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u89d2\u5ea6\u662f\u5982\u4f55\u8ba1\u7b97\u7684\uff0c\u53ef\u4ee5\u67e5\u770b<a href=\"https:\/\/mathority.org\/cn\/\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u89d2\u5ea6\u516c\u5f0f\u793a\u4f8b\u5df2\u89e3\u51b3\u7ec3\u4e60\u659c\u7387\u5bfc\u6f14\u5411\u91cf\/\">\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u89d2\u5ea6\u516c\u5f0f<\/a>\u3002\u5728\u8fd9\u91cc\uff0c\u60a8\u5c06\u627e\u5230\u5982\u4f55\u786e\u5b9a\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u89d2\u5ea6\u7684\u8be6\u7ec6\u8bf4\u660e\uff0c\u4ee5\u53ca\u51e0\u4e2a\u793a\u4f8b\u751a\u81f3\u5df2\u89e3\u51b3\u7684\u7ec3\u4e60\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u7ec3\u4e60\u5e76\u5b8c\u5168\u7406\u89e3\u8fd9\u4e2a\u6982\u5ff5\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"como-hallar-la-posicion-relativa-de-dos-rectas-en-el-plano\"><\/span>\u5982\u4f55\u6c42\u4e24\u6761\u76f4\u7ebf\u5728\u5e73\u9762\u4e0a\u7684\u76f8\u5bf9\u4f4d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-109\"><\/div>\n<\/div>\n<p>\u77e5\u9053\u4e8c\u7ef4\u7a7a\u95f4\u4e2d\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\u53d6\u51b3\u4e8e\u7ebf\u7684\u8868\u8fbe\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u7ebf\u65b9\u5411\u5411\u91cf\uff1a<\/strong>\u5982\u679c\u4e24\u6761\u7ebf\u5177\u6709\u4e0d\u540c\u7684\u65b9\u5411\u5411\u91cf\uff0c\u5219\u5b83\u4eec\u5fc5\u987b\u76f8\u4ea4\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u5b83\u4eec\u7684\u65b9\u5411\u5411\u91cf\u7684\u5750\u6807\u76f8\u7b49\u6216\u6210\u6bd4\u4f8b\uff0c\u5219\u5b83\u4eec\u53ef\u4ee5\u5e73\u884c\u6216\u91cd\u5408\uff08\u9700\u8981\u68c0\u67e5\u5b83\u4eec\u662f\u5426\u6709\u516c\u5171\u70b9\uff09\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u663e\u5f0f\u65b9\u7a0b\uff1a<\/strong>\u5f53\u4e24\u6761\u76f4\u7ebf\u5177\u6709\u4e0d\u540c\u659c\u7387\u65f6\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cbf220caa0234311cbdde7c24a842b1b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(m)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"28\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u76f8\u53cd\uff0c\u5982\u679c\u7ebf\u6761\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\u4f46\u5728\u539f\u70b9\u5904\u7684\u987a\u5e8f\u4e0d\u540c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9098105a2659ae64387c39c113fab615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(n)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"23\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u5b83\u4eec\u662f\u5e73\u884c\u7684\u3002\u6700\u540e\uff0c\u5f53\u4e24\u6761\u7ebf\u6700\u521d\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\u548c\u7eb5\u5750\u6807\u65f6\uff0c\u5b83\u4eec\u4f1a\u88ab\u6df7\u6dc6\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u4e00\u822c\uff08\u6216\u9690\u5f0f\uff09\u65b9\u7a0b\uff1a<\/strong>\u5177\u6709\u975e\u6bd4\u4f8b\u7cfb\u6570 A \u548c B \u7684\u4e24\u6761\u76f4\u7ebf\u5c06\u59cb\u7ec8\u76f8\u4ea4\u3002\u7136\u800c\uff0c\u5f53\u8fd9\u4e24\u4e2a\u53c2\u6570\u5f7c\u6b64\u6210\u6bd4\u4f8b\u4f46\u4e0d\u4e0e\u7cfb\u6570 C \u6210\u6bd4\u4f8b\u65f6\uff0c\u5b83\u4eec\u5c06\u662f\u5e73\u884c\u7684\u3002\u6700\u540e\uff0c\u5f53\u8fd9\u4e09\u9879\u6210\u6bd4\u4f8b\u65f6\uff0c\u8fd9\u610f\u5473\u7740\u7ebf\u6761\u662f\u6df7\u4e71\u7684\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u5bf9\u4e0a\u9762\u76f4\u7ebf\u65b9\u7a0b\u6709\u7591\u95ee\uff0c\u53ef\u4ee5\u67e5\u9605<a href=\"https:\/\/mathority.org\/cn\/\u76f4\u7ebf\u65b9\u7a0b-\u6240\u6709\u516c\u5f0f-\u793a\u4f8b-\u5df2\u89e3\u7b54-\u7ec3\u4e60\/\">\u5e73\u9762\u76f4\u7ebf\u65b9\u7a0b<\/a>\u7684\u89e3\u91ca\u3002\u5728\u8fd9\u91cc\u60a8\u5c06\u627e\u5230\u6240\u6709\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\u3001\u8ba1\u7b97\u65b9\u6cd5\u3001\u76f4\u7ebf\u65b9\u7a0b\u7684\u793a\u4f8b\u548c\u89e3\u7b54\u7ec3\u4e60\u3002<\/p>\n<p>\u4e0b\u8868\u603b\u7ed3\u4e86\u4e4b\u524d\u7684\u5c5e\u6027\uff1a <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/position-relative-de-deux-droites-dans-le-plan-1.webp\" alt=\"\u5e73\u9762\u5185\u4e24\u6761\u76f4\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\" class=\"wp-image-1718\" width=\"675\" height=\"403\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u770b\u5230\u4e24\u4e2a\u5982\u4f55\u786e\u5b9a\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\u7684\u793a\u4f8b\uff1a<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-1\"><\/span>\u5b9e\u65bd\u4f8b1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u6c42\u4ee5\u4e0b\u4ee5\u663e\u5f0f\u65b9\u7a0b\u5f62\u5f0f\u5b9a\u4e49\u7684\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-da7047627c75c1e890b8dcd638f77ed6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=3x+2 \\qquad \\qquad s: \\ y=3x-4\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"294\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u4e24\u6761\u7ebf\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-873fd0b2da446bff0d72d56424846ad5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r = m_s = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"102\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u4f46\u4ed6\u4eec\u7684\u8ba1\u7b97\u673a\u6765\u6e90\u4e0d\u540c\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dd55fdc8ff8e806fd683fad5ee625dc3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_r =2\\neq n_s=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"139\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u7531\u4e8e\u5b83\u4eec\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\u4f46\u622a\u8ddd\u4e0d\u540c\uff0c<strong>\u56e0\u6b64\u8fd9\u4e9b\u7ebf\u662f\u5e73\u884c\u7684<\/strong>\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-2\"><\/span>\u5b9e\u65bd\u4f8b2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u786e\u5b9a\u7528\u9690\u5f0f\uff08\u6216\u4e00\u822c\uff09\u65b9\u7a0b\u8868\u793a\u7684\u4ee5\u4e0b\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c917d50b692b0f59a5846479d74b6e19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 4x+2y-6=0 \\qquad \\qquad s: \\ -2x-y+3=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"378\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u4e24\u6761\u7ebf\u90fd\u8868\u793a\u4e3a\u663e\u5f0f\u65b9\u7a0b\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u770b\u770b\u5b83\u4eec\u7684\u7cfb\u6570\u662f\u5426\u6210\u6bd4\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cce65e5ed8b8969e9349325d13a192ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{4}{-2}=\\cfrac{2}{-1} = \\cfrac{-6}{3} = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"173\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u76f4\u7ebf\u7684 3 \u9879\u6210\u6bd4\u4f8b\uff0c\u56e0\u6b64<strong>\u76f4\u7ebf\u91cd\u5408<\/strong>\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"determinar-la-posicion-relativa-de-dos-rectas-en-el-plano-con-un-sistema-de-ecuaciones\"><\/span>\u4f7f\u7528\u65b9\u7a0b\u7ec4\u786e\u5b9a\u5e73\u9762\u4e2d\u4e24\u6761\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e86\u89e3\u4e24\u6761\u7ebf\u4e4b\u95f4\u76f8\u5bf9\u4f4d\u7f6e\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u5206\u6790\u7531\u7ebf\u65b9\u7a0b\u7ec4\u6210\u7684\u65b9\u7a0b\u7ec4\uff1a<\/p>\n<ul>\n<li>\u5982\u679c<strong>\u7cfb\u7edf\u6709\u552f\u4e00\u89e3<\/strong>\uff0c\u5219\u4e24\u6761\u7ebf\u76f8\u4ea4\u3002\u6b64\u5916\uff0c\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u5c31\u662f\u7cfb\u7edf\u7684\u89e3\u3002<\/li>\n<li>\u5982\u679c\u5b83\u662f\u4e00\u4e2a<strong>\u65e0\u89e3\u7684\u7cfb\u7edf<\/strong>\uff0c\u5219\u8868\u660e\u8fd9\u4e9b\u7ebf\u6ca1\u6709\u516c\u5171\u70b9\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u5e73\u884c\u7ebf\u3002<\/li>\n<li>\u5982\u679c<strong>\u7cfb\u7edf\u6709\u65e0\u9650\u591a\u4e2a\u89e3<\/strong>\uff0c\u8fd9\u610f\u5473\u7740\u8fd9\u4e9b\u7ebf\u5177\u6709\u6240\u6709\u516c\u5171\u70b9\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u76f8\u4ea4\u7ebf\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-3\"><\/span>\u5b9e\u65bd\u4f8b3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u4f7f\u7528\u65b9\u7a0b\u7ec4\u8ba1\u7b97\u4ee5\u4e0b\u4e24\u6761\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a333dd2d8363e9caf5bfcb7fcc4b307a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 3x+4y+5=0 \\qquad \\qquad s: \\ 5x+y-3=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"364\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u4e3a\u4e86\u627e\u5230\u4e24\u6761\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u6211\u4eec\u9700\u8981\u6c42\u89e3\u4ee5\u4e0b\u7531\u4e24\u6761\u7ebf\u7ec4\u6210\u7684\u7ebf\u6027\u65b9\u7a0b\u7ec4\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-243b1e787e6532fbafbfca53d934f4ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l} 3x+4y+5=0\\\\[2ex] 5x+y-3=0\\end{array}\\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"143\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u7528\u4ee3\u5165\u6cd5\u6765\u6c42\u89e3\u7cfb\u7edf\u3002\u56e0\u6b64\u6211\u4eec\u5c06\u9694\u79bb\u53d8\u91cf<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u5c06\u7b2c\u4e8c\u4e2a\u65b9\u7a0b\u4ee3\u5165\u7b2c\u4e00\u4e2a\u65b9\u7a0b\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ad3456c92c838f40d60afdb45e1eb2f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l} 3x+4y+5=0\\\\[2ex] 5x+y-3=0\\end{array}\\right\\} \\begin{array}{l} \\\\[2ex] \\longrightarrow \\ y=3-5x \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"279\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e878bb5de718162dd547d349041c5a17_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+4(3-5x)+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"176\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b44339147102246aa99ce775ae1f4415_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+12-20x+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"171\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e51763736cd6ea39f0cf08f9c8d067f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x-20x=-12-5\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"153\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-55630337168997a6a2a76aeaef1ad669_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-17x=-17\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"96\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-50540499fd4810f10aa8d48376dc8370_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-17}{-17} = 1\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"107\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u672a\u77e5\u7684\u4ef7\u503c\u6709\u591a\u5c11<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6211\u4eec\u5c06\u5176\u503c\u4ee3\u5165\u627e\u5230\u7684\u8868\u8fbe\u5f0f\u4e2d<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-526e84c5b87e970b9045246e059785fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b53c99a78c482f7c71588f8e0d769e9b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=3-5x \\ \\xrightarrow{x \\ = \\ 1} \\ y = 3 -5\\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"245\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9985617b47dec6ac0faa8d98665cd8b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y = 3 -5 = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"118\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u53ea\u5f97\u5230\u4e86\u4e24\u6761\u76f4\u7ebf\u7ec4\u6210\u7684\u65b9\u7a0b\u7ec4\u7684\u4e00\u4e2a\u89e3\uff0c\u56e0\u6b64<strong>\u4e24\u6761\u76f4\u7ebf\u76f8\u4ea4<\/strong>\u3002\u800c\u5b83\u4eec\u7684\u4ea4\u70b9\u5c31\u662f\u7cfb\u7edf\u7684\u89e3\uff0c\u5373\u70b9<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d9dbd776d7ff2a9a72963326b278e12b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(1,-2).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"57\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-posicion-relativa-de-dos-rectas-en-el-plano\"><\/span>\u89e3\u51b3\u4e86\u5e73\u9762\u5185\u4e24\u6761\u76f4\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e601<\/h3>\n<p>\u786e\u5b9a\u4e0b\u5217\u76f4\u7ebf\u662f\u5426\u76f8\u4ea4\u3001\u5e73\u884c\u6216\u91cd\u5408\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d8857a4b8101efdfb88107fae20a16bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 3x-y+4=0 \\qquad \\qquad s: \\ 9x-3y+3=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"364\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4e24\u6761\u7ebf\u90fd\u8868\u793a\u4e3a\u9690\u5f0f\uff08\u6216\u4e00\u822c\uff09\u65b9\u7a0b\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u67e5\u770b\u5b83\u4eec\u7684\u7cfb\u6570\u662f\u5426\u6210\u6bd4\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1fd9a2de250f3a5cb1a7025e30eb00b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{3}{9}=\\cfrac{-1}{-3} \\neq \\cfrac{4}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"99\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u53ea\u6709\u76f4\u7ebf\u7684\u7cfb\u6570 A \u548c B \u5f7c\u6b64\u6210\u6bd4\u4f8b\uff0c\u800c\u4e0d\u4e0e\u7cfb\u6570 C \u6210\u6bd4\u4f8b\u3002\u56e0\u6b64<strong>\uff0c\u4e24\u6761\u76f4\u7ebf\u5e73\u884c<\/strong>\u3002<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e602<\/h3>\n<p>\u6c42\u4ee5\u53c2\u6570\u65b9\u7a0b\u8868\u793a\u7684\u4ee5\u4e0b\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bafb951a2141722b0bbb7a1681f506ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=4-5t \\\\[2ex] y= 1+3t \\end{cases}\\qquad \\qquad s: \\ \\begin{cases} x=-2t \\\\[2ex] y=6+9t \\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"341\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6211\u4eec\u53ef\u4ee5\u6c42\u89e3\u4e24\u6761\u7ebf\u5f62\u6210\u7684\u65b9\u7a0b\u7ec4\u6765\u627e\u5230\u5b83\u4eec\u7684\u76f8\u5bf9\u4f4d\u7f6e\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5b83\u4eec\u662f\u53c2\u6570\u65b9\u7a0b\u7684\u5f62\u5f0f\uff0c\u56e0\u6b64\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u627e\u5230\u5b83\u4eec\u7684\u65b9\u5411\u5411\u91cf\uff0c\u5982\u679c\u5b83\u4eec\u4e0d\u6210\u6bd4\u4f8b\uff0c\u5219\u610f\u5473\u7740\u76f4\u7ebf\u76f8\u4ea4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e0d\u4f1a\u82b1\u8d39\u592a\u591a\u65f6\u95f4\u6765\u6c42\u89e3\u6574\u4e2a\u65b9\u7a0b\u7ec4\u3002<\/p>\n<p class=\"has-text-align-left\">\u8fd9\u6837\u6bcf\u6761\u7ebf\u7684\u65b9\u5411\u5411\u91cf\u7684\u7b1b\u5361\u5c14\u5750\u6807\u5c31\u662f\u53c2\u6570\u524d\u9762\u7684\u6570\u5b57<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-40f8b062c79839dcf7f2885a9e1469e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2428dfdbfe571940b2c02da2581f3c83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{r} =(-5,3) \\qquad \\qquad \\vv{s}=(-2,9)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"241\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u65b9\u5411\u5411\u91cf\uff0c\u6211\u4eec\u5c31\u68c0\u67e5\u5b83\u4eec\u7684\u6bd4\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-38d5cefd7229992008378fea28376585_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{-5}{-2} \\neq \\cfrac{3}{9}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"65\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u65b9\u5411\u77e2\u91cf\u4e0d\u6210\u6bd4\u4f8b\uff0c\u56e0\u6b64<strong>\u7ebf\u76f8\u4e92\u4ea4\u53c9<\/strong>\u3002<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e603<\/h3>\n<p>\u6307\u51fa\u4ee5\u4e0b\u76f4\u7ebf\u662f\u5426\u76f8\u4ea4\u3001\u5e73\u884c\u6216\u91cd\u5408\uff0c\u5e76\u627e\u5230\u5b83\u4eec\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u5982\u679c\u9002\u7528\uff09\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9e1c8f120a7d86580808425ce4452bbc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=4x-5 \\qquad \\qquad s: \\ y=-2x+7\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"308\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4e24\u6761\u7ebf\u7531\u5176\u663e\u5f0f\u65b9\u7a0b\u5b9a\u4e49\u5e76\u5177\u6709\u4e0d\u540c\u7684\u659c\u7387\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5f8ff0ff270ad51df36633f3a7da08f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r =4 \\neq m_s = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"147\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7531\u4e8e\u5b83\u4eec\u5177\u6709\u4e0d\u540c\u7684\u659c\u7387\uff0c\u56e0\u6b64<strong>\u7ebf\u76f8\u4ea4<\/strong>\u3002<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u7531\u4e8e\u4e24\u6761\u7ebf\u76f8\u4ea4\uff0c\u5b83\u4eec\u5c06\u6709 1 \u4e2a\u516c\u5171\u70b9\uff0c\u4e3a\u4e86\u8ba1\u7b97\u5b83\uff0c\u6211\u4eec\u5fc5\u987b\u6c42\u89e3\u7531\u4e24\u6761\u7ebf\u5f62\u6210\u7684\u65b9\u7a0b\u7ec4\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b3923ff74a214543ddd2cc44a42e3813_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l} y=4x-5\\\\[2ex] y=-2x+7\\end{array}\\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"117\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5747\u8861\u65b9\u6cd5\u6c42\u89e3\u7cfb\u7edf\uff0c\u56e0\u4e3a\u4e24\u8005<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u5df2\u7ecf\u88ab\u5220\u9664\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1043bcfc74c9c720f4d738403a0a5de9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-30260dd1609f72d1b91e2431be1c4fec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x-5=-2x+7\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"137\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-13a0532699efab3ce3fa0565ddd295f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x+2x=5+7\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"123\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-20e2c2528083b16701309669036284a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6x=12\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"60\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-54e0507e23104e014591f7bb9d0b9e02_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{12}{6} = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"85\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u6211\u4eec\u6709\u4e86\u672a\u77e5\u7684\u4e1c\u897f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6211\u4eec\u5c06\u5176\u503c\u66ff\u6362\u4e3a\u4efb\u4f55\u8868\u8fbe\u5f0f<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u4e86\u89e3\u5b83\u7684\u4ef7\u503c\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa1fe37c29ef252a2729d235c875f0ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=4x-5\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"82\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e2858c9e13db1ef7d1777f6ee50501ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y = 4\\cdot 2 -5 = 8 -5 = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"190\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6240\u4ee5\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u5c31\u662f\u7cfb\u7edf\u7684\u7ed3\u679c\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-786ded60a053402b1fedabd27477fa77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(2,3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"38\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e604<\/h3>\n<p>\u8ba1\u7b97\u672a\u77e5\u6570\u7684\u503c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u548c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4f7f\u5f97\u4ee5\u4e0b\u4e24\u6761\u7ebf\u5e73\u884c\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-22406447457807bd671683c76d717494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 2x-4y+6=0 \\qquad \\qquad s: \\ x+ay+b=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"363\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u8fd9\u4e9b\u7ebf\u4ee5\u4e00\u822c\uff08\u6216\u9690\u5f0f\uff09\u65b9\u7a0b\u5f62\u5f0f\u63cf\u8ff0\u3002\u56e0\u6b64\uff0c\u8981\u4f7f\u4e24\u6761\u76f4\u7ebf\u5e73\u884c\uff0c\u5b83\u4eec\u7684\u7cfb\u6570A\u548cB\u5fc5\u987b\u6210\u6bd4\u4f8b\uff0c\u5373\u5fc5\u987b\u6ee1\u8db3\u4ee5\u4e0b\u65b9\u7a0b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-426cf79f7967a39d05301b57327425b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{1} = \\cfrac{-4}{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"65\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u6c42\u89e3\u524d\u9762\u7684\u65b9\u7a0b\u4ee5\u83b7\u5f97\u672a\u77e5\u503c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2ebc59bdf10d3d739bfa532b65c85287_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u5206\u6570\u4ea4\u53c9\u76f8\u4e58\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-778399973685974e5fab6ef86a4ff316_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot a = -4 \\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"98\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa72e494965cde5a39eef1003b449a40_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a = \\cfrac{-4}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-115c97df060d69970606b1ae494bb4b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{a=-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"55\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u53e6\u4e00\u65b9\u9762\uff0c\u5bf9\u4e8e\u5e73\u884c\u7684\u7ebf\uff0c\u5b83\u4eec\u7684\u72ec\u7acb\u9879\u4e0d\u80fd\u4e0e\u5176\u4ed6\u7cfb\u6570\u6210\u6bd4\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0eee380a4c98c2379e3b88fb5c00038e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{1} \\neq \\cfrac{6}{b}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"43\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u548c\u4ee5\u524d\u4e00\u6837\uff0c\u6211\u4eec\u901a\u8fc7\u4ea4\u53c9\u76f8\u4e58\u5206\u6570\u6765\u6c42\u89e3\u4e0d\u7b49\u5f0f\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e8f6fbac3664ac51fabbd88c63a6265c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot b \\neq 6 \\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0d382f6f8b7a55e13812975129a29da1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b \\neq \\cfrac{6}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"42\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b74bf2f543632f7b7adec4ebd1f59b0e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{b\\neq 3}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"40\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7b80\u800c\u8a00\u4e4b\uff0c\u8ba9\u4e24\u6761\u7ebf\u5e73\u884c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5fc5\u987b\u662f 2 \u5e76\u4e14<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u53ef\u4ee5\u662f\u9664 3 \u4e4b\u5916\u7684\u4efb\u4f55\u5b9e\u6570\u3002<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e605<\/h3>\n<p>\u6c42\u4e0e\u76f4\u7ebf\u5e73\u884c\u7684\u76f4\u7ebf\u7684\u663e\u5f0f\u65b9\u7a0b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4ee5\u53ca\u6574\u4e2a\u8fc7\u7a0b\u4e2d\u4f1a\u53d1\u751f\u4ec0\u4e48<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f3beed6e0b45d9e34dfb895ea2711797_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(3,-1).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"71\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u8bf4\u76f4\u8bdd<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c5986f031932e6b3512dc564514c34b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-731b64c6b0926aa016c615182da3d7d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\; y=2x+5\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"110\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4f7f\u5f97\u7ebf\u4e0e\u7ebf\u5e73\u884c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-42ca8c420951296e93092e708435813a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u4e24\u8005\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\u3002\u548c\u7ebf\u7684\u659c\u7387<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f 2\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f3439899d4781058b8eb19021ac25e27_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u627e\u5230\u7684\u76f4\u7ebf\u65b9\u7a0b\u4e3a\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1bbbc8cea82d1688f21bcabc8ef7fa3e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=2x+n\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"85\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u4e86\u76f4\u7ebf\u7684\u659c\u7387\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u5c06\u5c5e\u4e8e\u76f4\u7ebf\u7684\u70b9\u4ee3\u5165\u76f4\u7ebf\u65b9\u7a0b\u6765\u8ba1\u7b97 y \u622a\u8ddd\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e83b6065f321642320b736c8b866043c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(3,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-826526b2aef06a1f04f17c54f8db7369_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= 2x+n \\ \\xrightarrow{x=3 \\ ; \\ y=-1} \\ -1=2\\cdot 3 +n\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"303\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0aba6175b45d89611019ec5f89ebd82f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-1=6+ n\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"87\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-afeec8d1085931aed83404a8a7ba45dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-1-6= n\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"87\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-35b29a0fad2239bd507e2d044f846092_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-7= n\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6240\u4ee5\u8be5\u76f4\u7ebf\u7684\u663e\u5f0f\u65b9\u7a0b\u4e3a\uff1a <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fd88ac415e522e13e3437bb0e3da393a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=2x-7}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p>\u5982\u679c\u60a8\u5df2\u7ecf\u5b8c\u6210\u4e86\u8fd9\u4e00\u6b65\uff0c\u5219\u610f\u5473\u7740\u60a8\u5df2\u7ecf\u638c\u63e1\u4e86\u8ba1\u5212\u4e2d\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\u3002\u505a\u5f97\u597d\uff01<\/p>\n<p>\u4f46\u8bb8\u591a\u4eba\u60f3\u77e5\u9053\u7684\u4e00\u4ef6\u4e8b\u662f\u2026\u2026\u77e5\u9053\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e\u6709\u4ec0\u4e48\u7528\u5462\uff1f<\/p>\n<p>\u90a3\u4e48\uff0c\u7ebf\u4e4b\u95f4\u76f8\u5bf9\u4f4d\u7f6e\u7684\u5e94\u7528\u4e4b\u4e00\u5c31\u662f\u80fd\u591f\u77e5\u9053\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u56e0\u4e3a\u4e24\u6761\u7ebf\u4e4b\u95f4\u8ddd\u79bb\u7684\u8ba1\u7b97\u53d6\u51b3\u4e8e\u5b83\u4eec\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u4e24\u6761\u7ebf\u76f8\u4ea4\u6216\u91cd\u5408\uff0c\u5219\u8ddd\u79bb\u4e3a\u96f6\u3002<\/li>\n<li>\u53e6\u4e00\u65b9\u9762\uff0c\u5f53\u76f4\u7ebf\u5e73\u884c\u65f6\uff0c\u5fc5\u987b\u5e94\u7528\u7279\u5b9a\u7684\u516c\u5f0f\u3002\u5982\u679c\u4f60\u66f4\u611f\u5174\u8da3\uff0c\u4f60\u53ef\u4ee5\u770b\u770b<a href=\"https:\/\/mathority.org\/cn\/\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u793a\u4f8b\u5df2\u89e3\u51b3\u7ec3\u4e60\u7684\u516c\u5f0f\/\">\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb<\/a>\u662f\u5982\u4f55\u8ba1\u7b97\u7684\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6b64\u9875\u9762\u4e0a\uff0c\u60a8\u5c06\u627e\u5230\u7528\u4e8e\u786e\u5b9a\u5e73\u9762\u4e2d\u4e24\u6761\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff08\u5728 R2 \u4e2d\uff09\u7684\u4e0d\u540c\u65b9\u6cd5\u7684\u8bf4\u660e\u3002\u6b64\u5916\uff0c\u60a8\u5c06\u770b\u5230\u51e0\u4e2a\u793a\u4f8b\uff0c\u5e76 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e7%ac%9b%e5%8d%a1%e5%b0%94%e5%b9%b3%e9%9d%a2-2d-r2-%e4%b8%ad%e4%b8%a4%e6%9d%a1%e7%ba%bf%e7%9a%84%e7%9b%b8%e5%af%b9%e4%bd%8d%e7%bd%ae%e7%a4%ba%e4%be%8b\/\"> <span class=\"screen-reader-text\">\u5e73\u9762\u5185\u4e24\u6761\u76f4\u7ebf\u7684\u76f8\u5bf9\u4f4d\u7f6e<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[15],"tags":[],"class_list":["post-228","post","type-post","status-publish","format-standard","hentry","category-15"],"yoast_head":"<!-- This site is optimized 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