{"id":327,"date":"2023-07-06T07:19:13","date_gmt":"2023-07-06T07:19:13","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e5%92%8c%e3%81%ae%e4%ba%8c%e4%b9%97%e3%81%be%e3%81%9f%e3%81%af%e4%ba%8c%e4%b9%97%e5%92%8c\/"},"modified":"2023-07-06T07:19:13","modified_gmt":"2023-07-06T07:19:13","slug":"%e5%92%8c%e3%81%ae%e4%ba%8c%e4%b9%97%e3%81%be%e3%81%9f%e3%81%af%e4%ba%8c%e4%b9%97%e5%92%8c","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e5%92%8c%e3%81%ae%e4%ba%8c%e4%b9%97%e3%81%be%e3%81%9f%e3%81%af%e4%ba%8c%e4%b9%97%e5%92%8c\/","title":{"rendered":"\u548c\u306e\u4e8c\u4e57 (\u307e\u305f\u306f\u4e8c\u4e57\u548c)"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\u3001\u3064\u307e\u308a\u6ce8\u76ee\u3059\u3079\u304d\u6052\u7b49\u5f0f (a+b) <sup>2<\/sup>\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u4e8c\u4e57\u548c\u306e\u4f8b\u984c\u3084\u89e3\u7b54\u6e08\u307f\u306e\u6f14\u7fd2\u3082\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u3055\u3089\u306b\u3001\u3053\u306e\u6ce8\u76ee\u3059\u3079\u304d\u88fd\u54c1\u306b\u96a0\u3055\u308c\u305f\u5e7e\u4f55\u5b66\u7684\u7279\u6027\u3092\u767a\u898b\u3059\u308b\u3067\u3057\u3087\u3046\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-el-cuadrado-de-una-suma\"><\/span>\u548c\u306e\u4e8c\u4e57\u3068\u306f\u4f55\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u548c\u306e 2 \u4e57\u306f<\/strong>\u6ce8\u76ee\u3059\u3079\u304d\u6052\u7b49 (\u307e\u305f\u306f\u6ce8\u76ee\u3059\u3079\u304d\u7a4d) \u306e 1 \u3064\u3067\u3042\u308a\u30012 \u3064\u306e\u6b63\u306e\u9805\u3092 2 \u4e57\u3057\u305f\u4e8c\u9805\u306e\u7d2f\u4e57\u3092\u3059\u3070\u3084\u304f\u8a08\u7b97\u3067\u304d\u308b\u6570\u5b66\u7684\u898f\u5247\u3067\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u548c\u306e\u4e8c\u4e57\u306f\u30012 \u3064\u306e\u7570\u306a\u308b\u9805\u3092\u52a0\u7b97\u3057\u3066\u4e8c\u4e57\u3057\u305f\u3082\u306e\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u548c\u306e\u4e8c\u4e57\u306e\u4ee3\u6570\u5f0f\u306f<strong>(a+b) <sup>2<\/sup><\/strong>\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-del-cuadrado-de-una-suma\"><\/span>\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u306e\u6ce8\u76ee\u306b\u5024\u3059\u308b\u30bf\u30a4\u30d7\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u6570\u5b66\u7684\u5b9a\u7fa9\u3092\u8e0f\u307e\u3048\u3066\u3001<strong>\u548c\u306e 2 \u4e57\u306e\u516c\u5f0f\u304c<\/strong>\u4f55\u3067\u3042\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\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\/formule-pour-le-carre-dune-somme.png\" alt=\"\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\" class=\"wp-image-2339\" width=\"269\" height=\"270\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u548c\u306e 2 \u4e57\u306f\u3001\u6700\u521d\u306e\u9805\u306e 2 \u4e57\u306b\u3001\u6700\u521d\u306e\u9805\u3068 2 \u756a\u76ee\u306e\u9805\u306e\u7a4d\u306e 2 \u500d\u3092\u52a0\u3048\u30012 \u756a\u76ee\u306e\u9805\u306e 2 \u4e57\u3092\u52a0\u3048\u305f\u3082\u306e\u306b\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u4e8c\u4e57\u548c\u3092\u89e3\u304f\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u52a0\u7b97\u3092 2 \u306b\u3059\u308b\u3060\u3051\u3067\u306f\u5341\u5206\u3067\u306f\u306a\u304f\u3001\u3055\u3089\u306b\u30012 \u3064\u306e\u52a0\u7b97\u3092\u4e00\u7dd2\u306b 2 \u3067\u4e57\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u899a\u3048\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u30022 \u4e57\u3092\u52a0\u7b97\u3059\u308b\u3068\u304d\u306b\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u306f\u30012 \u3064\u306e\u9805\u306e\u9593\u306e\u7a4d\u3092\u5fd8\u308c\u3066 2 \u4e57\u3060\u3051\u3092\u8a08\u7b97\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3060\u304b\u3089\u3067\u3059\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\/polynomes-au-carre-dune-somme.jpg\" alt=\"\u591a\u9805\u5f0f\u306e\u548c\u306e\u4e8c\u4e57\" class=\"wp-image-2342\" width=\"246\" height=\"68\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u5f0f\u304b\u3089\u7528\u8a9e\u3092\u7701\u7565\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u6e1b\u7b97\u306e 2 \u4e57 (\u307e\u305f\u306f\u6e1b\u7b97\u306e 2 \u4e57) \u306e\u516c\u5f0f\u306f\u3001\u4eca\u898b\u305f\u3082\u306e\u3068\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u7d50\u679c\u3092\u5b8c\u5168\u306b\u5909\u3048\u308b\u9055\u3044\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3042\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001 <strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ja\/\u5dee\u306e\u4e8c\u4e57\u307e\u305f\u306f\u6e1b\u7b97\/\">\u4e8c\u4e57\u6e1b\u7b97<\/a><\/span><\/strong>\u5f0f\u3068\u306f\u4f55\u304b\u3001\u304a\u3088\u3073\u305d\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u9069\u7528\u3055\u308c\u308b\u304b\u3092\u3053\u3053\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-cuadrados-de-sumas\"><\/span>\u4e8c\u4e57\u548c\u306e\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u3053\u3067\u306f\u3001\u548c\u3092\u4e8c\u4e57\u3059\u308b\u65b9\u6cd5\u3092\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u5b9f\u969b\u7684\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u4f8b1<\/h3>\n<ul>\n<li>\u5f0f\u3092\u9069\u7528\u3057\u3066\u3001\u6b21\u306e\u4e8c\u4e57\u548c\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/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-9a9b2aa575ef7fa83e8bb98cbb385ac8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x+5)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"61\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4e8c\u4e57\u548c\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\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-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u307e\u305a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u7279\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/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>\u305d\u3057\u3066<\/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>\u5f0f\u306e\u3002\u3053\u306e\u5834\u5408\u3001<\/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>\u3092\u8868\u3057\u307e\u3059<\/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>\u30da\u30a2\u3068<\/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>\u756a\u53f7 5 \u306b\u5bfe\u5fdc\u3057\u307e\u3059\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-5ba75b0f34f956985ea0163011a03acf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{l} (a+b)^2\\\\[2ex] (x+5)^2 \\end{array} \\color{red} \\right\\} \\quad \\color{red}\\bm{\\longrightarrow}\\quad  \\color{black} \\begin{array}{c} a=x \\\\[2ex] b=5 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"295\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3055\u3066\u3001\u79c1\u305f\u3061\u306f\u4eca\u306e\u4fa1\u5024\u3092\u77e5\u3063\u3066\u3044\u308b\u306e\u3067\u3001<\/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>\u305d\u3057\u3066\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a521efcd0a946cd643aebe98b5b41a3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3053\u306e\u5f0f\u3092\u9069\u7528\u3057\u3066\u3001\u5408\u8a08\u306e\u4e8c\u4e57\u306e\u7d50\u679c\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\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\/produits-notables-au-carre-dune-somme.jpg\" alt=\"\u548c\u306e\u4e8c\u4e57\u306e\u6ce8\u76ee\u88fd\u54c1\" class=\"wp-image-2349\" width=\"284\" height=\"164\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\">\u4f8b 2<\/h3>\n<ul>\n<li>\u548c\u306e\u4e8c\u4e57\u306b\u3064\u3044\u3066\u6b21\u306e\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002<\/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-12067275e14b98d59e004045606f26fb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(3x+4)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"70\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\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-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u554f\u984c\u3067\u306f<\/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>\u5358\u9805\u5f0f\u3067\u3059<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bcea841b93e6d1c6150bf94b4036ab3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066\u305d\u306e\u4e00\u65b9\u3067\u3001<\/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>\u306f\u72ec\u7acb\u9805 4 \u3067\u3059\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-89bb3514fbd79ba368588655e152e9cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c} a=3x \\\\[2ex] b=4 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"50\" width=\"52\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u306e\u5024\u3092\u7279\u5b9a\u3057\u305f\u3089\u3001<\/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>\u305d\u3057\u3066\u306e<\/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>\u3001\u6ce8\u76ee\u3059\u3079\u304d\u7a4d\u3092\u89e3\u304f\u305f\u3081\u306b\u4e8c\u4e57\u548c\u306e\u516c\u5f0f\u3092\u9069\u7528\u3057\u307e\u3059\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-ed0d9fcdbeeac2247b68789dd0268f37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} (3x+4)^2 &amp; =(3x)^2+2 \\cdot 3x\\cdot 4+4^2 \\\\[2ex] &amp; =9x^2+24x+16 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"62\" width=\"256\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Demostracion-de-la-formula-del-cuadrado-de-una-suma\"><\/span>\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\u306e\u8a3c\u660e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6b21\u306b\u3001\u548c\u306e 2 \u4e57\u304b\u3089\u4eca\u898b\u305f\u516c\u5f0f\u3092\u5c0e\u304d\u51fa\u3057\u3001\u305d\u308c\u304c\u3069\u3053\u304b\u3089\u6765\u305f\u306e\u304b\u3092\u7406\u89e3\u3057\u307e\u3059\u3002<\/p>\n<p> 2 \u306b\u7d2f\u4e57\u3057\u305f\u6b63\u306e\u4e8c\u9805\u304b\u3089\u958b\u59cb\u3057\u307e\u3059\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-ef98ef741811c17cd99e75e5f848ea69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"59\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4e0a\u8a18\u306e\u3079\u304d\u4e57\u306f\u660e\u3089\u304b\u306b\u56e0\u6570\u3068\u7b49\u4fa1\u3067\u3059<\/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-2cfde4aacc08aae1ed70fe5f7b2f74de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"51\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u305d\u308c\u81ea\u4f53\u3092\u4e57\u7b97\u3057\u307e\u3059:<\/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-7b2df207ac593eaf04ac60ac40b89a7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=(a+b)\\cdot (a+b)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"200\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5206\u914d\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066 2 \u3064\u306e\u62ec\u5f27\u3092\u4e57\u7b97\u3057\u307e\u3059\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-1c871c4ad6546c817128379acbef78c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} (a+b)\\cdot (a+b) &amp; = a\\cdot a +a\\cdot b +b\\cdot a +b\\cdot b \\\\[2ex] &amp;=a^2+ab+ba+b^2 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"60\" width=\"325\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u7d50\u679c\u306e\u7528\u8a9e\u304b\u3089\u985e\u4f3c\u3057\u305f\u7528\u8a9e\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\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-b645fb320040c599e077b3e5bdc4b407_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2+ab+ba+b^2 = a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"256\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u3001\u3059\u3067\u306b\u3053\u306e\u5f0f\u306e\u591a\u9805\u5f0f\u306b\u5230\u9054\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6b21\u306e\u3088\u3046\u306b\u8a3c\u660e\u3055\u308c\u3066\u3044\u307e\u3059\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-66c4071b50f376018a8ac9b6f3f9f5fb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2= a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4fe1\u3058\u3089\u308c\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u548c\u306e\u516c\u5f0f\u306e 2 \u4e57\u306f<a href=\"https:\/\/mathority.org\/ja\"><strong><span style=\"text-decoration: underline;\">2 \u6b21\u591a\u9805\u5f0f\u306e\u56e0\u6570\u5206\u89e3<\/span><\/strong><\/a>\u306b\u3082\u6a5f\u80fd\u3057\u307e\u3059\u3002\u305d\u308c\u304c\u4f55\u3067\u3042\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306e\u305f\u3081\u306b\u8aac\u660e\u3059\u308b\u3068\u3001\u591a\u9805\u5f0f\u56e0\u6570\u5206\u89e3\u306f\u3001\u591a\u9805\u5f0f\u306e\u5f0f\u3092\u5358\u7d14\u5316\u3059\u308b\u305f\u3081\u306b\u6570\u5b66\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u624b\u9806\u3067\u3059\u3002\u4e0a\u306e\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u305d\u306e\u65b9\u6cd5\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Interpretacion-geometrica-del-cuadrado-de-una-suma\"><\/span>\u548c\u306e\u4e8c\u4e57\u306e\u5e7e\u4f55\u5b66\u7684\u89e3\u91c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u308c\u307e\u3067\u3001\u548c\u306e\u4e8c\u4e57\u304c\u6570\u5b66\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u304b\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u6ce8\u76ee\u3059\u3079\u304d\u7a4d\u306f\u5e7e\u4f55\u5b66\u7684\u306b\u89e3\u91c8\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u6b63\u65b9\u5f62\u306e\u4e00\u8fba\u3092\u898b\u3066\u304f\u3060\u3055\u3044\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-5f03f5d7b3d514b94a628f988975c108_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a+b:\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"48\" style=\"vertical-align: -2px;\"><\/p>\n<\/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\/carre-geometrique-interpretation-d-une-somme.jpg\" alt=\"\u548c\u306e\u5e73\u65b9\u5e7e\u4f55\u5b66\u7684\u89e3\u91c8\" class=\"wp-image-2364\" width=\"282\" height=\"289\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u6b63\u65b9\u5f62\u306e\u9762\u7a4d\u306f\u3001\u305d\u306e\u4e00\u8fba\u306e\u9577\u3055\u3092\u4e8c\u4e57\u3057\u305f\u5024\u306b\u7b49\u3057\u3044\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u524d\u306e\u6b63\u65b9\u5f62\u306e\u8fba\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\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-45dc37f5e6c04130e5e7cdc375a9fc8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a+b,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"43\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u305d\u306e\u9762\u7a4d(\u307e\u305f\u306f\u8868\u9762\u7a4d)\u306f\u4ee5\u4e0b\u306b\u7b49\u3057\u3044<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b02b123bc26be5152c4a9917a6cb9539_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2.\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"63\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3055\u3066\u3001\u6b63\u65b9\u5f62\u306e\u8868\u73fe\u3067\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u9762\u7a4d\u304c \u306e\u6b63\u65b9\u5f62\u3067\u3059\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-d3fbbc716a20a1a8e5fb339ee863ef14_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2,\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"21\" style=\"vertical-align: -4px;\"><\/p>\n<p> 2\u3064\u306e\u9818\u57df\u3092\u6301\u3064\u9577\u65b9\u5f62<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a8d53cd0a9beed89b01eb3a3d6b7ff79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"ab,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"21\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u305d\u3057\u3066\u5225\u306e\u6b63\u65b9\u5f62\u306e\u8868\u9762<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c3a795dbae63ac6ae2905fa73468f6dc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b^2.\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5e73\u65b9\u548c\u306e\u516c\u5f0f\u306f\u5e7e\u4f55\u5b66\u7684\u89b3\u70b9\u304b\u3089\u3082\u6e80\u305f\u3055\u308c\u307e\u3059\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-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-del-cuadrado-de-una-suma\"><\/span>\u548c\u306e\u4e8c\u4e57\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6b21\u306b\u3001\u6f14\u7fd2\u3092\u884c\u3063\u3066\u6982\u5ff5\u306e\u7406\u89e3\u3092\u5b8c\u4e86\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u4e8c\u4e57\u548c\u306e\u6f14\u7fd2\u3092\u3044\u304f\u3064\u304b\u6bb5\u968e\u7684\u306b\u89e3\u3044\u3066\u3044\u304d\u307e\u3059\u3002\u3054\u8cea\u554f\u306f\u3059\u3079\u3066\u30b3\u30e1\u30f3\u30c8\u6b04\u306b\u3054\u8a18\u5165\u304f\u3060\u3055\u3044\u3002\u559c\u3093\u3067\u304a\u7b54\u3048\u3044\u305f\u3057\u307e\u3059\u3002 \ud83d\udcad\ud83d\udcad\ud83d\udcad<\/p>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u6b21\u306e\u4e8c\u4e57\u548c\u3092\u6c42\u3081\u307e\u3059\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-9229e4ae2034182594cea6b72883a61e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ (x+3)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"88\" 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-e9db6436020d25d8dde919b5db5071d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ (2+6x)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"96\" 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-55d230fdf4d87dfb39f5427089c4bcd0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\left(x^2+7\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"100\" style=\"vertical-align: -7px;\"><\/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-8858ec9b4957c47679e682ab433bd75d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D)} \\ (5x+8y)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"106\" style=\"vertical-align: -5px;\"><\/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__DDF5FF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#DDF5FF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u554f\u984c\u306e\u6ce8\u76ee\u3059\u3079\u304d\u6b63\u4f53\u3092\u3059\u3079\u3066\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\u3092\u9069\u7528\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\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-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" 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-571dada676a093b9b625887a09615b5c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ \\begin{aligned}(x+3)^2&amp; =x^2+2\\cdot x\\cdot 3 +3^2\\\\[2ex] &amp; = \\bm{x^2+6x +9}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"63\" width=\"248\" 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-8d696f9e8ea8a9246922a0aa132d7e24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ \\begin{aligned}(2+6x)^2 &amp; =2^2+2\\cdot 2\\cdot 6x +(6x)^2\\\\[2ex] &amp; = \\bm{4+24x+36x^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"63\" width=\"288\" 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-62f7ef68fc47d45958f6a10dbfe3f512_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\begin{aligned}\\left(x^2+7\\right)^2 &amp; = \\left(x^2\\right)^2+2\\cdot x^2\\cdot 7 +7^2\\\\[2ex] &amp; = \\bm{x^4+14x^2 +49}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"66\" width=\"290\" 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-2fdf798e7d585cdbc2bbeb0417bfc62a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D)} \\ \\begin{aligned}(5x+8y)^2 &amp; =(5x)^2+2\\cdot 5x\\cdot 8y +(8y)^2\\\\[2ex] &amp; = \\bm{25x^2+80xy+64y^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"331\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 2<\/h3>\n<p>\u6b21\u306e\u5f0f\u3092\u9069\u7528\u3057\u3066\u30012 \u3064\u306e\u9805\u306e\u4e8c\u4e57\u548c\u3092\u89e3\u304d\u307e\u3059\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-cde71610badce0bddaa952e68411ea3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ \\left(4x^2+2y^3\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"127\" style=\"vertical-align: -7px;\"><\/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-097f1d298bc8e31ba41fc8163e310c6e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ \\displaystyle \\left(\\sqrt{2x}+\\sqrt{8x}\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"35\" width=\"146\" style=\"vertical-align: -11px;\"><\/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-b432940794af539924a002fac6533134_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\displaystyle \\left(\\frac{4}{3}x^2+\\frac{3}{2}x\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"47\" width=\"137\" style=\"vertical-align: -17px;\"><\/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__DDF5FF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#DDF5FF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u554f\u984c\u306e\u6ce8\u76ee\u3059\u3079\u304d\u7a4d\u3092\u3059\u3079\u3066\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u4e8c\u4e57\u548c\u306e\u516c\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\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-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" 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-b8eaa03c68adc376819c5e12081f6d39_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ \\begin{aligned}\\left(4x^2+2y^3\\right)^2 &amp; =\\left(4x^2\\right)^2+2\\cdot 4x^2\\cdot 2y^3 +\\left(2y^3\\right)^2\\\\[2ex] &amp; = \\bm{16x^4+16x^2y^3+4y^6}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"384\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u30bb\u30af\u30b7\u30e7\u30f3 B) \u3067\u306f\u3001\u6839\u304c\u4e8c\u4e57\u3055\u308c\u308b\u3068\u7c21\u7565\u5316\u3055\u308c\u308b\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\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-a38b1df7ca331cb002253d52eb008608_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ \\begin{aligned}\\left(\\sqrt{2x}+\\sqrt{8x}\\right)^2 &amp; =\\left(\\sqrt{2x}\\right)^2+2\\cdot \\sqrt{2x}\\cdot \\sqrt{8x} +\\left(\\sqrt{8x}\\right)^2\\\\[2ex] &amp; =2x+2\\sqrt{2x\\cdot 8x} +8x \\\\[2ex] &amp; = 10x+2\\sqrt{16x^2} \\\\[2ex] &amp;= 10x+2\\cdot 4x = \\\\[2ex] &amp; = 10x +8x \\\\[2ex] &amp; = \\bm{18x}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"247\" width=\"443\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u5f8c\u306e\u4e8c\u4e57\u548c\u306e\u5358\u9805\u5f0f\u306b\u306f\u5206\u6570\u4fc2\u6570\u304c\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u3092\u89e3\u304f\u306b\u306f\u5206\u6570\u306e\u6027\u8cea\u3082\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\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-c50dcca740e334b34f746e71f4af826e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\displaystyle \\begin{aligned} \\left(\\frac{4}{3}x^2+\\frac{3}{2}x\\right)^2 &amp; = \\left(\\frac{4}{3}x^2\\right)^2+2\\cdot \\frac{4}{3}x^2\\cdot \\frac{3}{2}x +\\left(\\frac{3}{2}x\\right)^2\\\\[2ex] &amp; = \\frac{4^2}{3^2}x^4+2\\cdot \\frac{12}{6}x^3 +\\frac{3^2}{2^2}x^2 \\\\[2ex] &amp;= \\frac{16}{9}x^4 +2\\cdot 2x^3+\\frac{9}{4}x^2 \\\\[2ex] &amp; = \\mathbf{\\frac{16}{9}} \\bm{x^4+4x^3+}\\mathbf{\\frac{9}{4}}\\bm{x^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"222\" width=\"416\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 3<\/h3>\n<p>\u96fb\u5353\u3092\u4f7f\u7528\u305b\u305a\u306b\u3001\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\u3092\u9069\u7528\u3057\u3066\u3001\u6b21\u306e\u3079\u304d\u4e57\u3092\u6c42\u3081\u307e\u3059\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-86db45137cb4792d046d171c28662c90_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"24\" 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__DDF5FF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#DDF5FF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u307e\u305a\u300117 \u3068\u3044\u3046\u6570\u5b57\u306f\u300110 \u30d7\u30e9\u30b9 7 \u306e\u5408\u8a08\u306b\u5206\u89e3\u3067\u304d\u307e\u3059\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-55dc7f45d8d495163afd5d22d2c612ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17^2=(10+7)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"117\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3053\u3067\u3001\u96fb\u529b\u3092\u4e8c\u4e57\u548c\u306b\u5909\u63db\u3057\u307e\u3057\u305f\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5bfe\u5fdc\u3059\u308b\u5f0f\u3092\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\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-83e35048f0ae6ae12bc2b5b3d761fb99_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}(10+7)^2 &amp; = 10^2+2\\cdot 10 \\cdot 7 +7^2 \\\\[2ex] &amp; =100+140+49\\\\[2ex] &amp; =289 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"100\" width=\"238\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3064\u307e\u308a\u3001\u5f37\u5316\u306e\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\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-d13bfdf83060795d27403604f251047d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17^2=\\bm{289}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"75\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u6f14\u7fd2\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u4e8c\u4e57\u548c\u306e\u516c\u5f0f\u306f\u3001\u96fb\u5353\u3092\u4f7f\u7528\u305b\u305a\u306b\u5927\u304d\u306a\u6570\u306e\u3079\u304d\u4e57\u3092\u8a08\u7b97\u3059\u308b\u5834\u5408\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cuadrado-de-una-suma-de-3-terminos\"><\/span> 3\u9805\u306e\u548c\u306e2\u4e57<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u8ffd\u52a0\u3055\u308c\u305f 3 \u3064\u306e\u9805\u306e 2 \u4e57\u3001\u3064\u307e\u308a (a+b+c) <sup>2<\/sup>\u3092\u89e3\u304f\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u8ad6\u7406\u7684\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u306f\u3001\u62ec\u5f27\u5185\u306b\u4e8c\u9805\u3067\u306f\u306a\u304f\u4e09\u9805\u304c\u3042\u308b\u305f\u3081\u3001\u8aac\u660e\u3057\u305f\u516c\u5f0f\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5225\u306e\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p> <strong>3 \u9805\u306e\u548c\u306e 2 \u4e57\u306e\u516c\u5f0f\u306f<\/strong>\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\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-547cbf526b192d07d188c703a68f12e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\definecolor{blauquadreejemplo}{HTML}{ff5733}  \\newtcbox{\\mymath}[1][]{%     nobeforeafter, math upper, tcbox raise base,     enhanced, colframe=blauquadreejemplo,      boxrule=1.2pt, boxsep=2.5mm,     #1} \\begin{empheq}[box={\\mymath[colback=white, shadow={2.5mm}{-2.5mm}{0mm}{blauquadreejemplo!20!white,} ]}]{equation*}     (a+b+c)^2 = a^2+2a(b+c)+b^2+2bc+c^2 \\end{empheq}\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"294\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u5f0f\u304c\u3069\u306e\u3088\u3046\u306b\u9069\u7528\u3055\u308c\u308b\u304b\u3092\u4f8b\u3067\u898b\u3066\u307f\u307e\u3057\u3087\u3046\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-d0816bbe156553fc1ef5920ac2b2e09f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} (2x+3y+5)^2 &amp; = (2x)^2 + 2\\cdot 2x (3y+5)+(3y)^2+2\\cdot  3y \\cdot 5 + 5^2 \\\\[2ex] &amp; =4x^2 +4x (3y+5)+9y^2+30y +25 \\\\[2ex] &amp;=4x^2 +12xy+20x+9y^2+30y +25 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"481\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3054\u89a7\u306e\u3068\u304a\u308a\u3001\u6570\u5f0f\u306b 1 \u3064\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u7d50\u679c\u306f\u3055\u3089\u306b\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div id=\"ezoic-pub-ad-placeholder-176\" data-inserter-version=\"-1\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u548c\u306e\u4e8c\u4e57\u306e\u516c\u5f0f\u3001\u3064\u307e\u308a\u6ce8\u76ee\u3059\u3079\u304d\u6052\u7b49\u5f0f (a+b) 2\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u4e8c\u4e57\u548c\u306e\u4f8b\u984c\u3084\u89e3\u7b54\u6e08\u307f\u306e\u6f14\u7fd2\u3082\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u3055\u3089\u306b\u3001\u3053\u306e\u6ce8\u76ee\u3059\u3079\u304d\u88fd\u54c1\u306b\u96a0\u3055\u308c\u305f\u5e7e\u4f55\u5b66\u7684\u7279\u6027\u3092\u767a\u898b\u3059\u308b\u3067\u3057 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e5%92%8c%e3%81%ae%e4%ba%8c%e4%b9%97%e3%81%be%e3%81%9f%e3%81%af%e4%ba%8c%e4%b9%97%e5%92%8c\/\"> <span class=\"screen-reader-text\">\u548c\u306e\u4e8c\u4e57 (\u307e\u305f\u306f\u4e8c\u4e57\u548c)<\/span> \u3082\u3063\u3068\u8aad\u3080 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