{"id":285,"date":"2023-07-06T20:34:06","date_gmt":"2023-07-06T20:34:06","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e5%bc%8f-3x3-sarrus-%e3%83%ab%e3%83%bc%e3%83%ab%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c\/"},"modified":"2023-07-06T20:34:06","modified_gmt":"2023-07-06T20:34:06","slug":"%e8%a1%8c%e5%88%97%e5%bc%8f-3x3-sarrus-%e3%83%ab%e3%83%bc%e3%83%ab%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e5%bc%8f-3x3-sarrus-%e3%83%ab%e3%83%bc%e3%83%ab%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c\/","title":{"rendered":"Sarrus \u306e\u6cd5\u5247\u3092\u4f7f\u7528\u3057\u3066 3&#215;3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u30013&#215;3 \u6b63\u65b9\u884c\u5217\u306e\u884c\u5217\u5f0f\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u5b66\u3073\u307e\u3059\u3002 Sarrus \u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u4f8b\u984c\u3068\u7df4\u7fd2\u554f\u984c\u304c\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u5b9f\u8df5\u3057\u3066\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong><\/strong><\/p>\n<h2 class=\"wp-block-heading\"> 3\u00d73\u884c\u5217\u306e\u884c\u5217\u5f0f\u306f\u4f55\u3067\u3059\u304b? <\/h2>\n<p><strong><\/strong><\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-109\"><\/div>\n<\/div>\n<p><strong>\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f<\/strong><strong>\u306f\u3001\u884c\u5217\u306e\u5404\u8fba\u306e\u5782\u76f4\u30d0\u30fc\u3067\u8868\u3055\u308c\u308b 3 \u00d7 3 \u6b21\u5143\u306e\u884c\u5217\u3067\u3059\u3002<\/strong>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u884c\u5217\u304c\u3042\u308b\u3068\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-7b5e89b706893e88dd15882e3685afb1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A = \\begin{pmatrix} 2 &amp; 0 &amp; 4 \\\\[1.1ex] 3 &amp; -1 &amp; 5 \\\\[1.1ex] 1 &amp; 6 &amp; -2  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"150\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p><strong>\u884c\u5217 A \u306e\u884c\u5217\u5f0f\u306f<\/strong>\u6b21\u306e\u3088\u3046\u306b\u8868\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-41db04327de87a80f1e0e4dd6dcb220a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert A \\rvert = \\begin{vmatrix} 2 &amp; 0 &amp; 4 \\\\[1.1ex] 3 &amp; -1 &amp; 5 \\\\[1.1ex] 1 &amp; 6 &amp; -2 \\end{vmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"141\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3053\u308c\u307e\u3067\u898b\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u6b21\u6570 3 \u306e\u6b63\u65b9\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u66f8\u304f\u306e\u306f\u7c21\u5358\u3067\u3059\u3002\u3067\u306f\u3001\u305d\u308c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/h2>\n<p><strong><\/strong><\/p>\n<p> 3\u00d73 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001 <strong>Sarrus \u306e\u898f\u5247<\/strong>\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u30b5\u30e9\u30b9\u30eb\u30fc\u30eb<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"><strong>Sarrus \u306e\u30eb\u30fc\u30eb<\/strong>\u306b\u3088\u308c\u3070\u3001\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u4e3b\u5bfe\u89d2\u8981\u7d20\u306e\u7a4d\u3068\u3001\u305d\u306e\u5e73\u884c\u5bfe\u89d2\u7dda\u3068\u5bfe\u5fdc\u3059\u308b\u53cd\u5bfe\u5074\u306e\u9802\u70b9\u306e\u7a4d\u3092\u52a0\u7b97\u3057\u3001\u6b21\u306b\u526f\u5bfe\u89d2\u8981\u7d20\u306e\u7a4d\u3092\u6e1b\u7b97\u3057\u3001\u305d\u308c\u3089\u306e\u5e73\u884c\u306a\u5bfe\u89d2\u7dda\u3068\u3001\u5bfe\u5fdc\u3059\u308b\u53cd\u5bfe\u5074\u306e\u9802\u70b9\u3068\u306e\u7a4d\u3002 <\/p>\n<p><strong><\/strong><\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-110\"><\/div>\n<\/div>\n<p>\u3053\u306e\u3088\u3046\u306b\u66f8\u304f\u3068\u5c11\u3057\u308f\u304b\u308a\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u6b21\u306e\u56f3\u3068\u4f8b\u3067 3&#215;3 \u306e\u884c\u5217\u5f0f\u306e\u8a08\u7b97\u304c\u3069\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u308b\u304b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002 <\/p>\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/regle-de-sarrus.webp\" alt=\"\" class=\"wp-image-1550\" width=\"686\" height=\"135\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/calculer-le-determinant-dune-matrice-32153.webp\" alt=\"\" width=\"776\" height=\"133\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<h2 class=\"wp-block-heading\"> 3\u00d73 \u884c\u5217\u5f0f\u306e\u4f8b:<\/h2>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-98e60cf465cd0eb7662d47770cd38231_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} \\begin{vmatrix} 2 &amp; 1 &amp; 3 \\\\[1.1ex] -1 &amp; 1 &amp; 0 \\\\[1.1ex] -2 &amp; 4 &amp; 1 \\end{vmatrix} &amp; = 2 \\cdot 1 \\cdot 1 + 1 \\cdot 0 \\cdot (-2) + (-1) \\cdot 4 \\cdot 3 - (-2) \\cdot 1 \\cdot 3 - 4 \\cdot 0 \\cdot 2- (-1) \\cdot 1 \\cdot 1 \\\\ &amp; = 2 + 0 -12 +6 - 0 +1 \\\\[2ex] &amp; = \\bm{-3} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"150\" width=\"637\" 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-41a53c1fd6eae1b51a280a6ce1e2ab91_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} \\begin{vmatrix} 1 &amp; 0 &amp; 2 \\\\[1.1ex] 3 &amp; 2 &amp; 1 \\\\[1.1ex] 4 &amp; -3 &amp; -1 \\end{vmatrix} &amp; = 1\\cdot 2 \\cdot (-1) + 0 \\cdot 1 \\cdot 4 +3 \\cdot (-3) \\cdot 2 - 4 \\cdot 2 \\cdot 2 - (-3) \\cdot 1 \\cdot 1- 3 \\cdot 0 \\cdot (-1) \\\\ &amp; = -2 +0 -18 - 16 +3- 0 \\\\[2ex] &amp; = \\bm{-33} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"150\" width=\"651\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">3 \u00d7 3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f<\/h2>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u6b21\u306e 3&#215;3 \u884c\u5217\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002 <\/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\/exemple-travaille-determinant-32153.webp\" alt=\"3x3\u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u5177\u4f53\u4f8b\" width=\"103\" height=\"110\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" 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\">3\u00d73 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u306b\u306f\u3001Sarrus \u306e\u6cd5\u5247\u3092\u9069\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-8f288312b72f3bbabc35ee64bf580d8c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{aligned} \\begin{vmatrix} 2 &amp; 1 &amp; 0 \\\\[1.1ex] 3 &amp; 1 &amp; -1 \\\\[1.1ex] 2 &amp; 0 &amp; 4 \\end{vmatrix} &amp; = 2 \\cdot 1 \\cdot 4 + 1 \\cdot (-1) \\cdot 2 + 3 \\cdot 0 \\cdot 0 - 2 \\cdot 1 \\cdot 0 - 0 \\cdot (-1) \\cdot 2- 3 \\cdot 1 \\cdot 4 \\\\ &amp; = 8 -2 +0 -0- 0-12 \\\\[2ex] &amp; = \\bm{-6} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"150\" width=\"583\" 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\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/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\/determinant-dexercice-resolu-32153.webp\" alt=\"3x3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u6bb5\u968e\u7684\u306b\u89e3\u304f\u6f14\u7fd2\" width=\"103\" height=\"110\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" 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\">3 \u6b21\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001Sarrus \u306e\u6cd5\u5247\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-64078968233ec50d2e793309d55e55fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{aligned} \\begin{vmatrix} 1 &amp; -2 &amp; 1 \\\\[1.1ex] 4 &amp; 2 &amp; 1 \\\\[1.1ex] 3 &amp; -1 &amp; 2 \\end{vmatrix} &amp; = 1 \\cdot 2 \\cdot 2 + (-2) \\cdot 1 \\cdot 3 + 4 \\cdot (-1) \\cdot 1 - 3 \\cdot 2 \\cdot 1 - (-1) \\cdot 1 \\cdot 1 - 4 \\cdot (-2) \\cdot 2 \\\\ &amp; = 4 -6 -4 -6+1+16 \\\\[2ex] &amp; = \\bm{5} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"150\" width=\"637\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p><strong><\/strong><\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-111\"><\/div>\n<p><strong><br \/><\/strong><\/p>\n<\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 3<\/h3>\n<p>\u6b21\u306e 3\u00d73 \u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u89e3\u3092\u6c42\u3081\u307e\u3059\u3002 <\/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\/exercices-resolus-de-determinants-33.webp\" alt=\"3x3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u6bb5\u968e\u7684\u306b\u89e3\u304f\u6f14\u7fd2\" width=\"139\" height=\"111\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" 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\">3&#215;3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001Sarrus \u306e\u6cd5\u5247\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-fd4494ae66a604834b8f9f47fcbbe41d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{aligned} \\begin{vmatrix}1 &amp; 3 &amp; -2 \\\\[1.1ex] 2 &amp; -3 &amp; 4 \\\\[1.1ex] -1 &amp; 2 &amp; 5 \\end{vmatrix} &amp; = \\\\ &amp; = 1 \\cdot (-3) \\cdot 5 + 3 \\cdot 4 \\cdot (-1) + 2 \\cdot 2 \\cdot (-2) \\ - \\\\[1.1ex] &amp; \\phantom{=} - (-1) \\cdot (-3) \\cdot (-2) - 2 \\cdot 4 \\cdot 1 - 2 \\cdot 3 \\cdot 5 \\\\[2.5ex] &amp; = -15 -12 -8 +6-8-30 \\\\[2.5ex] &amp; = \\bm{-67} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"235\" width=\"435\" 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 4<\/h3>\n<p>\u6b21\u306e 3 \u6b21\u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u89e3\u3092\u6c42\u3081\u307e\u3059\u3002 <\/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\/exercice-resolu-dun-determinant-dune-matrice-33.webp\" alt=\"3x3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u89e3\u7b54\u6e08\u307f\u6f14\u7fd2\" width=\"122\" height=\"113\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" 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\">3\u00d73 \u884c\u5217\u306e\u884c\u5217\u5f0f\u306e\u89e3\u3092\u6c42\u3081\u308b\u306b\u306f\u3001Sarrus \u306e\u516c\u5f0f\u3092\u9069\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-8e811024d460a60a1df59983b1f700e8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{aligned} \\begin{vmatrix} 3 &amp; 1 &amp; -1 \\\\[1.1ex] 6 &amp; 1 &amp; -2 \\\\[1.1ex] 4 &amp; -3 &amp; 2 \\end{vmatrix} &amp; = \\\\ &amp; = 3 \\cdot 1 \\cdot 2 + 1 \\cdot (-2) \\cdot 4 + 6 \\cdot (-3) \\cdot (-1) \\ - \\\\[1.1ex] &amp; \\phantom{=} - 4 \\cdot 1 \\cdot (-1) - (-3) \\cdot (-2) \\cdot 3 - 6 \\cdot 1 \\cdot 2 \\\\[2.5ex] &amp; =6 -8 +18 +4-18-12 \\\\[2.5ex] &amp; = \\bm{-10} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"235\" width=\"422\" 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 5<\/h3>\n<p>\u306e\u5024\u3092\u898b\u3064\u3051\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>\u3053\u308c\u306b\u3088\u308a\u3001\u6b21\u306e 3 \u6b21\u884c\u5217\u5f0f\u304c\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u307e\u3059\u3002 <\/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\/exercices-resolus-de-determinants-dordre-3.webp\" alt=\"\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f\u3092\u6bb5\u968e\u7684\u306b\u89e3\u304f\u7df4\u7fd2\u554f\u984c\" width=\"121\" height=\"109\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" 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\u3001Sarrus \u306e\u6cd5\u5247\u3092\u4f7f\u7528\u3057\u3066\u3001\u884c\u5217\u5f0f\u306e\u5024\u3092\u6b21\u306e\u95a2\u6570\u3068\u3057\u3066\u8a08\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-e5d80bc6266288d3d9b79acb4281f64b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a :\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" 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-07e67cfc5e45c0a11c35d643cd4c1c78_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{aligned}\\begin{vmatrix} 4 &amp; 6 &amp; -5 \\\\[1.1ex] -2 &amp; 4 &amp; 2 \\\\[1.1ex] -1 &amp; 2 &amp; a \\end{vmatrix} &amp; = \\\\ &amp; = 4 \\cdot 4 \\cdot a + 6 \\cdot 2 \\cdot (-1) + (-2) \\cdot 2 \\cdot (-5) \\ - \\\\[1.1ex] &amp; \\phantom{=}- (-1) \\cdot 4 \\cdot (-5) - 2 \\cdot 2 \\cdot 4 - (-2) \\cdot 6 \\cdot a \\\\[2.5ex] &amp; = 16a -12 + 20 - 20 - 16 +12a \\\\[2.5ex] &amp; = 28a -28 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"235\" width=\"422\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u884c\u5217\u5f0f\u304c\u6d88\u3048\u308b\u306b\u306f\u3001\u7d50\u679c\u304c 0 \u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u7d50\u679c\u3092 0 \u306b\u8a2d\u5b9a\u3057\u3001\u65b9\u7a0b\u5f0f\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-952115a30fff34de20c4ecde3bbb4b15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"28a-28=0\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"99\" 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-32cfa3a6788c4564b2807c4dbe65b59e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"28a=28\" 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-9b25a023b34312f26158baa4e03bd6e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{28}{28} = \\bm{1}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"84\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p><strong><\/strong><\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-116\"><\/div>\n<p><strong><br \/><\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u30013&#215;3 \u6b63\u65b9\u884c\u5217\u306e\u884c\u5217\u5f0f\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u5b66\u3073\u307e\u3059\u3002 Sarrus \u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u6b21\u6570 3 \u306e\u884c\u5217\u5f0f\u3092\u89e3\u304f\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u4f8b\u984c\u3068\u7df4\u7fd2\u554f\u984c\u304c\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u5b9f\u8df5\u3057\u3066\u5b8c\u5168\u306b\u7406\u89e3\u3059 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e5%bc%8f-3x3-sarrus-%e3%83%ab%e3%83%bc%e3%83%ab%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c\/\"> <span class=\"screen-reader-text\">Sarrus \u306e\u6cd5\u5247\u3092\u4f7f\u7528\u3057\u3066 3&#215;3 \u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b<\/span> \u3082\u3063\u3068\u8aad\u3080 &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":[7],"tags":[],"class_list":["post-285","post","type-post","status-publish","format-standard","hentry","category-7"],"yoast_head":"<!-- This site is optimized 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