{"id":252,"date":"2023-07-10T10:30:09","date_gmt":"2023-07-10T10:30:09","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e8%ae%a1%e7%ae%97%e4%b8%a4%e6%9d%a1%e7%ba%bf%e4%b9%8b%e9%97%b4%e7%9a%84%e4%ba%a4%e7%82%b9%e6%88%96%e4%ba%a4%e7%82%b9\/"},"modified":"2023-07-10T10:30:09","modified_gmt":"2023-07-10T10:30:09","slug":"%e8%ae%a1%e7%ae%97%e4%b8%a4%e6%9d%a1%e7%ba%bf%e4%b9%8b%e9%97%b4%e7%9a%84%e4%ba%a4%e7%82%b9%e6%88%96%e4%ba%a4%e7%82%b9","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e8%ae%a1%e7%ae%97%e4%b8%a4%e6%9d%a1%e7%ba%bf%e4%b9%8b%e9%97%b4%e7%9a%84%e4%ba%a4%e7%82%b9%e6%88%96%e4%ba%a4%e7%82%b9\/","title":{"rendered":"\u8ba1\u7b97\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9"},"content":{"rendered":"<p>\u5728\u8fd9\u91cc\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u8ba1\u7b97\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u4ea4\u70b9\uff09\u3002\u60a8\u8fd8\u5c06\u770b\u5230\u793a\u4f8b\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u9010\u6b65\u89e3\u51b3\u7684\u7ec3\u4e60\u8fdb\u884c\u7ec3\u4e60\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-el-punto-de-corte-o-interseccion-entre-dos-rectas\"><\/span>\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u5206\u754c\u70b9\u6216\u4ea4\u70b9\u662f\u4ec0\u4e48\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u5207\u5272\u70b9\uff09\u662f\u4e24\u6761\u4e0d\u540c\u7ebf\u76f8\u4ea4\u7684\u70b9\u3002\u56e0\u6b64\uff0c\u5f53\u4e24\u6761\u4e0d\u540c\u7684\u76f4\u7ebf\u6709\u4ea4\u70b9\u6216\u4ea4\u70b9\u65f6\uff0c\u5c31\u610f\u5473\u7740\u5b83\u4eec\u91cd\u5408\u4e8e\u4e00\u70b9\u3002 <\/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\/point-dintersection-ou-de-coupe-1.webp\" alt=\"\u4ea4\u70b9\u6216\u5207\u5272\u70b9\" class=\"wp-image-2958\" width=\"222\" height=\"241\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u5bf9\u4e8e\u4e24\u6761\u7ebf\u76f8\u4ea4\u4e8e\u4e00\u70b9\uff0c\u5b83\u4eec\u5fc5\u987b\u662f\u76f8\u4ea4\u7ebf\uff0c\u56e0\u4e3a\u5e73\u884c\u7ebf\u4e0d\u4f1a\u5728\u4efb\u4f55\u70b9\u76f8\u4ea4\u3002<\/p>\n<p>\u5982\u679c\u60a8\u73b0\u5728\u4e0d\u8bb0\u5f97\u4ec0\u4e48\u662f\u76f8\u4ea4\u7ebf\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u67e5\u770b\u6211\u4eec\u7684<a href=\"https:\/\/mathority.org\/cn\/\u76f8\u4ea4\u7ebf\u793a\u4f8b\/\">\u76f8\u4ea4\u7ebf\u793a\u4f8b<\/a>\u9875\u9762\uff0c\u60a8\u53ef\u4ee5\u5728\u5176\u4e2d\u627e\u5230\u8fd9\u4e9b\u7c7b\u578b\u7684\u7ebf\u662f\u4ec0\u4e48\u4ee5\u53ca\u5982\u4f55\u5224\u65ad\u4e24\u6761\u7ebf\u662f\u5426\u76f8\u4ea4\u7684\u8be6\u7ec6\u8bf4\u660e\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcomo-calcular-el-punto-de-corte-o-interseccion-entre-dos-rectas\"><\/span>\u5982\u4f55\u8ba1\u7b97\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u622a\u6b62\u70b9\u6216\u4ea4\u70b9\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e00\u65e6\u6211\u4eec\u4e86\u89e3\u4e86\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9\u7684\u5b9a\u4e49\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u8ba1\u7b97\u8be5\u70b9\u3002<\/p>\n<p>\u8981\u627e\u5230\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u4ea4\u70b9\uff09\uff0c\u9996\u5148\u5fc5\u987b\u786e\u4fdd\u4e24\u6761\u7ebf\u4e0d\u5e73\u884c\uff0c\u56e0\u4e3a\u5982\u679c\u5b83\u4eec\u662f\u4e24\u6761\u5e73\u884c\u7ebf\uff0c\u5219\u5b83\u4eec\u4e0d\u4f1a\u5728\u4efb\u4f55\u70b9\u76f8\u4ea4\u3002\u56e0\u6b64\uff0c\u9996\u5148\u8981\u77e5\u9053\u5982\u4f55\u5224\u65ad<a href=\"https:\/\/mathority.org\/cn\/\u5e73\u884c\u7ebf\u7684\u5b9a\u4e49\u548c\u4f8b\u5b50\/\">\u4e24\u6761\u7ebf\u4f55\u65f6\u5e73\u884c<\/a>\u3001\u4f55\u65f6\u4e0d\u5e73\u884c\uff1b\u5982\u679c\u60a8\u4e0d\u8bb0\u5f97\u5982\u4f55\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5355\u51fb\u94fe\u63a5\u518d\u6b21\u89c2\u770b\u3002<\/p>\n<p><strong>\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u4e24\u6761\u7ebf\u4e0d\u5e73\u884c\uff0c\u8981\u786e\u5b9a\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u4ea4\u53c9\u70b9\uff09\uff0c\u6211\u4eec\u5fc5\u987b\u6c42\u89e3\u7531\u6bcf\u6761\u7ebf\u7684\u65b9\u7a0b\u7ec4\u6210\u7684\u65b9\u7a0b\u7ec4\u3002\u6240\u8ff0\u65b9\u7a0b\u7ec4\u7684\u7ed3\u679c\u5c06\u662f\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u4ea4\u53c9\u70b9\uff09\u7684\u5750\u6807\u3002<\/strong> <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-como-hallar-el-punto-de-corte-o-interseccion-entre-dos-rectas\"><\/span>\u5982\u4f55\u67e5\u627e\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9\u7684\u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4f5c\u4e3a\u793a\u4f8b\uff0c\u6211\u4eec\u5c06\u89e3\u51b3\u4e00\u4e2a\u95ee\u9898\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u4e86\u89e3\u5982\u4f55\u627e\u5230\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u4ea4\u53c9\u70b9\uff09\uff1a<\/p>\n<ul>\n<li>\u627e\u5230\u4ee5\u4e0b\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\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-28b417b26c53c9bdf105e231f0e20d5c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=4x-1 \\qquad \\qquad s: \\ y=-2x+5\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"307\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u9996\u5148\uff0c\u8fd9\u4e9b\u7ebf\u4e0d\u5e73\u884c\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u4e0d\u540c\u7684\u659c\u7387\uff0c\u56e0\u6b64\u5b83\u4eec\u90fd\u76f8\u4ea4\u4e8e\u7b1b\u5361\u5c14\u5e73\u9762\u4e0a\u7684\u4e00\u70b9\u3002<\/p>\n<p>\u4e3a\u4e86\u627e\u5230\u7b54\u6848\uff0c\u6211\u4eec\u5fc5\u987b\u6c42\u89e3\u7531\u6bcf\u884c\u65b9\u7a0b\u7ec4\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-9a1cdd55c61dc9a42ce97d3f66759831_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{l} y=4x-1 \\\\[2ex]  y=-2x+5 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"117\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u5728\u8fd9\u79cd\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u5747\u8861\u65b9\u6cd5\u6c42\u89e3\u7cfb\u7edf\uff0c\u56e0\u4e3a\u4e24\u4e2a\u672a\u77e5\u6570<\/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\u89e3\u51b3\u4e86\uff08\u4e24\u6761\u7ebf\u90fd\u662f\u663e\u5f0f\u65b9\u7a0b\u5f62\u5f0f\uff09\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-3ead38dffec6d14d4d336cafeddd9985_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-5fd49c4e816d164da522db903a218422_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x-1=-2x+5\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"136\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p>\u6211\u4eec\u5220\u9664\u53d8\u91cf\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-845f2902b8bebf60c3c7372a7fbe4d02_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" 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-d5ccd87a6d4b7404804117f583960421_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x+2x=5+1\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"122\" 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-c9c29e31dbe2952c3f947c7999aaea32_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6x=6\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"52\" 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-9d7383f9dc9ffbcbc54b429212e16736_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x = \\cfrac{6}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"45\" 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-acd4c7b40e2b9be2b7c63cb68371fbc5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x = 1\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e00\u65e6\u4f60\u77e5\u9053\u5b83\u503c\u591a\u5c11\u94b1<\/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-038741496726a75b03e91a2e030b0287_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u6211\u4eec\u5c06\u5176\u503c\u4ee3\u5165\u4efb\u4f55\u65b9\u7a0b\u5373\u53ef\u627e\u5230<\/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-7f81265d11f37b1daceb37a8071db978_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=4x-1 \\ \\xrightarrow{x \\ = \\ 1} \\ y=4\\cdot 1-1\" 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-7e2148e1d93e9c008f474956d2ddaba1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =4-1\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"71\" 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-5161fd7e02970f7e86370e8603358bc9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =3\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"42\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u5219\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u5750\u6807\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-5018478ba24875ae2ab915350b9ea7ed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(1,3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"38\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-del-punto-de-corte-o-interseccion-entre-dos-rectas\"><\/span>\u89e3\u51b3\u4e86\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e601<\/h3>\n<p>\u4e0b\u9762\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9\u5728\u54ea\u91cc\uff1f <\/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-a970cbe339e28aae29cb501cd878a42e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=x+5 \\qquad \\qquad s: \\ y=2x+3\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"285\" 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\">\u9996\u5148\uff0c\u4e24\u6761\u7ebf\u4e0d\u5e73\u884c\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u4e0d\u540c\u7684\u659c\u7387\uff0c\u56e0\u6b64\u4e24\u6761\u7ebf\u5c06\u5728\u5e73\u9762\u4e0a\u7684\u67d0\u4e2a\u70b9\u76f8\u4ea4\u3002<\/p>\n<p class=\"has-text-align-left\">\u4e3a\u4e86\u8ba1\u7b97\u8be5\u70b9\uff0c\u9700\u8981\u6c42\u89e3\u7531\u6bcf\u6761\u7ebf\u7684\u65b9\u7a0b\u7ec4\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-cb0689e91892970c4231287d01e21bce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{l} y=x+5 \\\\[2ex]  y=2x+3 \\end{array} \\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"104\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u5747\u8861\u65b9\u6cd5\u6c42\u89e3\u65b9\u7a0b\u7ec4\uff0c\u56e0\u4e3a\u4e24\u4e2a\u672a\u77e5\u6570<\/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\u89e3\u51b3\u4e86\uff08\u4e24\u6761\u7ebf\u90fd\u662f\u663e\u5f0f\u65b9\u7a0b\u5f62\u5f0f\uff09\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-3ead38dffec6d14d4d336cafeddd9985_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-6210171e144520a0d88adf32ce86864f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x+5=2x+3\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"114\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u5220\u9664\u53d8\u91cf\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-845f2902b8bebf60c3c7372a7fbe4d02_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" 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-a4b1dadd6581fbbe04e0b2ecd606d88b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x-2x=3-5\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"113\" 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-3f0d6d05bef09b80057fe52c02cec17f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-x=-2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"69\" 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-c657687cbbf5ea9a7545edb42190e592_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u4f60\u77e5\u9053\u5b83\u503c\u591a\u5c11\u94b1<\/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-038741496726a75b03e91a2e030b0287_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u6211\u4eec\u5c06\u5176\u503c\u4ee3\u5165\u4efb\u4f55\u65b9\u7a0b\u5373\u53ef\u627e\u5230<\/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-62c4fb120c843ead72589c392af4365a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=x+5 \\ \\xrightarrow{x \\ = \\ 2} \\ y=2+5\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"215\" 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-d32b70220482c8639a87bc6b718d2c52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =7\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"42\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u5750\u6807\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-13575229a0823916384ec9a4a56d3c0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(2,7)}\" 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\u4e602<\/h3>\n<p>\u627e\u5230\u4ee5\u4e0b\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9\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-cc4a7a4fa2d7845cbe7cd6e453363707_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=-3x+1 \\qquad \\qquad s: \\ 4x+2y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"347\" 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\">\u6b63\u786e\u7684<\/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-ae1901659f469e6be883797bfd30f4f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5b83\u4ee5\u9690\u5f0f\uff08\u6216\u4e00\u822c\uff09\u65b9\u7a0b\u7684\u5f62\u5f0f\u8868\u793a\uff0c\u56e0\u6b64\u6211\u4eec\u9996\u5148\u5c06\u5176\u4ee5\u663e\u5f0f\u65b9\u7a0b\u7684\u5f62\u5f0f\u4f20\u9012\uff0c\u4ee5\u4e86\u89e3\u5176\u659c\u7387\u7684\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-a8e356b2530399ec10ca393fe36ff6cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x+2y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"122\" 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-a20ea17433a797efb58bcd820d2fd7b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2y=-4x-6\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"105\" 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-6ebc6eea43eff615514706f343c16b63_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=\\cfrac{-4x-6}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"107\" 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-b754ae8eb949f8f8d85ba36ebabb52d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=-2x-3\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"96\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u8fd9\u4e24\u6761\u7ebf\u5177\u6709\u4e0d\u540c\u7684\u659c\u7387\uff0c\u56e0\u6b64\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e2a\u4ea4\u70b9\u3002<\/p>\n<p class=\"has-text-align-left\">\u4e3a\u4e86\u8ba1\u7b97\u8be5\u70b9\uff0c\u9700\u8981\u6c42\u89e3\u7531\u6bcf\u6761\u7ebf\u7684\u65b9\u7a0b\u7ec4\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-cc914ee4de930feec594f04f5867ba7d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{l} y=-3x+1\\\\[2ex]  y=-2x-3 \\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\">\u6211\u4eec\u7528\u5747\u8861\u6cd5\u6c42\u89e3\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-3ead38dffec6d14d4d336cafeddd9985_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-67618b09d747ac741f072fcf8d26510d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3x+1=-2x-3\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"149\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6211\u4eec\u5220\u9664\u53d8\u91cf\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-845f2902b8bebf60c3c7372a7fbe4d02_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"19\" 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-ce17bbde97e648413518cab9f4f9e4c3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3x+2x=-3-1\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"148\" 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-bf3be4b88214ed0d52840c08d288f322_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-x=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"70\" 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-2145acc2878ed61214887e120f2485b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u4f60\u77e5\u9053\u5b83\u503c\u591a\u5c11\u94b1<\/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-038741496726a75b03e91a2e030b0287_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u6211\u4eec\u5c06\u5176\u503c\u4ee3\u5165\u4efb\u4e00\u65b9\u7a0b\u6765\u627e\u5230<\/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-149ce067b48b4a751e6992a2088986b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=-3x+1 \\ \\xrightarrow{x \\ = \\ 4} \\ y=-3\\cdot 4+1\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"273\" 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-d1153677d6a88ee3880379d52254ff89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =-12+1\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"94\" 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-9ac3626102819d91b5b46b36ec9a1393_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =-11\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"64\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u5750\u6807\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-389476127c04a48b9a98832495e26542_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(4,-11)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"61\" 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\u4e603<\/h3>\n<p>\u786e\u5b9a\u4ee5\u4e0b\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9\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-4493e6356538f2224d935cdff1a5a0e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=1+2t \\\\[1.7ex] y=-2-3t \\end{cases} \\qquad \\qquad s: \\ 4x+2y+8=0\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"382\" 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\">\u9996\u5148\u6211\u4eec\u8981\u77e5\u9053\u8fd9\u662f\u5426\u662f\u4e24\u6761\u5e73\u884c\u7ebf\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u67e5\u770b\u4e24\u6761\u7ebf\u7684\u65b9\u5411\u5411\u91cf\u662f\u5426\u6210\u6bd4\u4f8b\u3002<\/p>\n<p class=\"has-text-align-left\">\u6b63\u786e\u7684<\/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\u53c2\u6570\u65b9\u7a0b\u7684\u5f62\u5f0f\u5b9a\u4e49\uff0c\u56e0\u6b64\u5176\u65b9\u5411\u5411\u91cf\u7684\u5206\u91cf\u5c31\u662f\u53c2\u6570\u524d\u9762\u7684\u7cfb\u6570<\/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-948961a863b93df17727aed0b8b1b323_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{r} =(2,-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u53e6\u4e00\u65b9\u9762\uff0c\u8be5\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-ae1901659f469e6be883797bfd30f4f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4ee5\u9690\u5f0f\u65b9\u7a0b\u7684\u5f62\u5f0f\u63cf\u8ff0\uff0c\u6545\u5176\u65b9\u5411\u5411\u91cf\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-20cce1ab2b76722e40ad11bfd5432b6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{s} =(-B,A)=(-2,4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"171\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\u4e24\u4e2a\u65b9\u5411\u77e2\u91cf\u7684\u5206\u91cf\u5f7c\u6b64\u4e0d\u6210\u6bd4\u4f8b\uff0c\u56e0\u6b64\u4e24\u6761\u7ebf\u4e0d\u5e73\u884c\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-579b1121219ef4e23ebf4dd050fd8f5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{-2} \\neq \\cfrac{-3}{4} \\ \\longrightarrow \\ r \\ \\cancel{\\parallel} \\ s\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"166\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7531\u4e8e\u4e24\u6761\u7ebf\u4e0d\u5e73\u884c\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u4e4b\u95f4\u786e\u5b9e\u5b58\u5728\u4e00\u4e2a\u4ea4\u70b9\u3002\u4e3a\u4e86\u8ba1\u7b97\u5b83\uff0c\u6211\u4eec\u5fc5\u987b\u6c42\u89e3\u7531\u6bcf\u6761\u7ebf\u7684\u65b9\u7a0b\u7ec4\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-4493e6356538f2224d935cdff1a5a0e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=1+2t \\\\[1.7ex] y=-2-3t \\end{cases} \\qquad \\qquad s: \\ 4x+2y+8=0\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"382\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c31\u50cf\u8fd9\u4e00\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-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\u53c2\u6570\u65b9\u7a0b\u7684\u5f62\u5f0f\uff0c\u9700\u8981\u5c06\u6bcf\u4e2a\u53c2\u6570\u65b9\u7a0b\u7684\u8868\u8fbe\u5f0f\u4ee3\u5165\u53e6\u4e00\u6761\u7ebf\u7684\u65b9\u7a0b\u4e2d\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-d88b687bf48b9d10a26bac5451c7e8b3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4(1+2t)+2(-2-3t)+8=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"236\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u8ba9\u6211\u4eec\u6c42\u89e3\u6240\u5f97\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-32756a2ba23a8bcb7c6b15939040465f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4+8t-4-6t+8=0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"176\" 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-d4c52dff39a888d82acf8fac68eb4fcc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"8t-6t=-8-4+4\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"160\" 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-de593446ba488dfae45728357be5b677_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2t=-8\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"62\" 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-7314acbcd6829cda85877660beaa4228_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t=\\cfrac{-8}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"63\" 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-1acfbba41e2198fe16fba49080a61f1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"53\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5e76\u66ff\u6362\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-b4e3cbf5d4c5c6d9b702dd139f14c147_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u67e5\u53c2\u6570\u65b9\u7a0b\u6c42\u51fa\u5207\u5272\u70b9\u5750\u6807\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-fd959e49e9461d7dd34898128ee1d43e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=1+2t \\\\[1.7ex] y=-2-3t \\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"137\" 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-6c298c87a64b01e8495d050d39d48b5b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{cases} x=1+2(-4)=1-8=-7 \\\\[1.7ex] y=-2-3(-4)=-2+12=10\\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"263\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6240\u4ee5\u4e24\u6761\u7ebf\u7684\u4ea4\u70b9\u662f\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-b8679413d67b2db10c8226e53fd08fb2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(-7,10)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"60\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fd9\u91cc\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u8ba1\u7b97\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\uff08\u6216\u4ea4\u70b9\uff09\u3002\u60a8\u8fd8\u5c06\u770b\u5230\u793a\u4f8b\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u9010\u6b65\u89e3\u51b3\u7684\u7ec3\u4e60\u8fdb\u884c\u7ec3\u4e60\u3002 \u4e24\u6761\u7ebf &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e8%ae%a1%e7%ae%97%e4%b8%a4%e6%9d%a1%e7%ba%bf%e4%b9%8b%e9%97%b4%e7%9a%84%e4%ba%a4%e7%82%b9%e6%88%96%e4%ba%a4%e7%82%b9\/\"> <span class=\"screen-reader-text\">\u8ba1\u7b97\u4e24\u6761\u7ebf\u4e4b\u95f4\u7684\u4ea4\u70b9\u6216\u4ea4\u70b9<\/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-252","post","type-post","status-publish","format-standard","hentry","category-15"],"yoast_head":"<!-- This site is optimized 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