{"id":277,"date":"2023-07-06T22:49:54","date_gmt":"2023-07-06T22:49:54","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e3%81%ae%e5%8a%a0%e7%ae%97%e6%b8%9b%e7%ae%97-2x2-3x3-%e3%81%ae%e4%be%8b%e9%a1%8c%e3%82%92%e8%a7%a3%e3%81%84%e3%81%9f%e6%bc%94%e7%bf%92\/"},"modified":"2023-07-06T22:49:54","modified_gmt":"2023-07-06T22:49:54","slug":"%e8%a1%8c%e5%88%97%e3%81%ae%e5%8a%a0%e7%ae%97%e6%b8%9b%e7%ae%97-2x2-3x3-%e3%81%ae%e4%be%8b%e9%a1%8c%e3%82%92%e8%a7%a3%e3%81%84%e3%81%9f%e6%bc%94%e7%bf%92","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e3%81%ae%e5%8a%a0%e7%ae%97%e6%b8%9b%e7%ae%97-2x2-3x3-%e3%81%ae%e4%be%8b%e9%a1%8c%e3%82%92%e8%a7%a3%e3%81%84%e3%81%9f%e6%bc%94%e7%bf%92\/","title":{"rendered":"\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u306e\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001<strong>\u884c\u5217\u3092\u52a0\u7b97\u304a\u3088\u3073\u6e1b\u7b97\u3059\u308b<\/strong>\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u4f8b\u3068\u3001\u7df4\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u6c7a\u3055\u308c\u305f\u6f14\u7fd2\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u884c\u5217\u52a0\u7b97\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u898b\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u884c\u5217\u3092\u52a0\u7b97\u304a\u3088\u3073\u6e1b\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> <strong>2 \u3064\u306e\u884c\u5217\u306e\u52a0\u7b97 (\u307e\u305f\u306f\u6e1b\u7b97) \u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001<\/strong>\u884c\u5217\u5185\u306e\u540c\u3058\u4f4d\u7f6e\u3092\u5360\u3081\u308b\u8981\u7d20\u3092\u52a0\u7b97 (\u307e\u305f\u306f\u6e1b\u7b97) \u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4f8b: <\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/addition-et-soustraction-matricielle.webp\" alt=\"2x2 \u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u3001\u884c\u5217\u306e\u6f14\u7b97\u306e\u4f8b\" class=\"wp-image-1267\" width=\"719\" height=\"373\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> 2 \u3064\u306e\u884c\u5217\u3092\u52a0\u7b97\u307e\u305f\u306f\u6e1b\u7b97\u3059\u308b\u306b\u306f\u3001\u305d\u308c\u3089\u306e\u884c\u5217<strong>\u306e\u6b21\u5143\u304c\u540c\u3058\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u884c\u5217\u306f\u3001\u6700\u521d\u306e\u884c\u5217\u304c 2&#215;2 \u884c\u5217\u3067 2 \u756a\u76ee\u306e\u884c\u5217\u304c 3&#215;2 \u884c\u5217\u3067\u3042\u308b\u305f\u3081\u3001\u8ffd\u52a0\u3067\u304d\u307e\u305b\u3093\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-082c648e15685c4ddeac2cc2da502d96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 0 &amp; 2 \\end{pmatrix}  + \\begin{pmatrix} 5 &amp; 6 \\\\[1.1ex] -2 &amp; 4 \\\\[1.1ex] 7 &amp; 1 \\end{pmatrix} \\ \\longleftarrow \\ \\color{red}  \\bm{\\times}}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"247\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u306e\u6f14\u7fd2\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f\u3002<\/h2>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u6b21\u306e 2&#215;2 \u884c\u5217\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\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\/exercice-resolu-daddition-de-matrices-22.webp\" alt=\"2x2 \u884c\u5217\u306e\u52a0\u7b97\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3059\u308b\u6f14\u7fd2\" class=\"wp-image-1271\" width=\"175\" height=\"68\" 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\">\u3053\u308c\u306f\u3001\u6b21\u5143 2\u00d72 \u306e 2 \u3064\u306e\u6b63\u65b9\u884c\u5217\u306e\u5408\u8a08\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-1d9428ad89a6bd149d5e63bc500879ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 2 &amp; 3 \\\\[1.1ex] 4 &amp; 1  \\end{pmatrix} + \\begin{pmatrix} 2 &amp; 1 \\\\[1.1ex] 3 &amp; -1  \\end{pmatrix} =  \\begin{pmatrix} 2+2 &amp; 3+1 \\\\[1.1ex] 4+3 &amp; 1+(-1)  \\end{pmatrix} = \\begin{pmatrix} \\bm{4} &amp; \\bm{4} \\\\[1.1ex] \\bm{7} &amp; \\bm{0}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"411\" 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\u884c\u5217\u6e1b\u7b97\u3092\u5b9f\u884c\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\/soustraction-matricielle-resolue-exercice-32.webp\" alt=\"\u884c\u5217\u306e\u6e1b\u7b97\u3001\u884c\u5217\u306e\u6f14\u7b97\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3059\u308b\u6f14\u7fd2\" width=\"193\" height=\"99\" 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\">\u3053\u308c\u306f\u3001\u6b21\u5143 3\u00d72 \u306e 2 \u3064\u306e\u884c\u5217\u306e\u6e1b\u7b97\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-c371e1f01df59f4b8abb018e476e66d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 5 &amp; 2  \\\\[1.1ex] 1 &amp; 6 \\\\[1.1ex] -3 &amp; 0  \\end{pmatrix} - \\begin{pmatrix} 4 &amp; 6 \\\\[1.1ex] -3 &amp; 1 \\\\[1.1ex]-2 &amp; 5 \\end{pmatrix} =  \\begin{pmatrix} 5-4 &amp; 2-6  \\\\[1.1ex] 1-(-3) &amp; 6-1 \\\\[1.1ex] -3-(-2) &amp; 0-5  \\end{pmatrix}  = \\begin{pmatrix} \\bm{1}&amp;  \\bm{-4} \\\\[1.1ex] \\bm{4} &amp; \\bm{5} \\\\[1.1ex] \\bm{-1} &amp; \\bm{-5} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"477\" 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>\u6b21\u306e\u6b21\u5143 3\u00d73 \u306e\u884c\u5217\u306e\u5408\u8a08\u306e\u7d50\u679c\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-daddition-de-matrices-33.webp\" alt=\"3x3 \u884c\u5217\u306e\u52a0\u7b97\u3001\u884c\u5217\u3092\u4f7f\u3063\u305f\u6f14\u7b97\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3059\u308b\u6f14\u7fd2\" width=\"255\" height=\"102\" 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\">\u3053\u308c\u306f\u3001\u6b21\u6570 3\u00d73 \u306e 2 \u3064\u306e\u6b63\u65b9\u884c\u5217\u306e\u5408\u8a08\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-280299cb0b37e1a585466c4570439ec4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 4 &amp; 1 &amp; -2 \\\\[1.1ex] 0 &amp; 3 &amp; 2 \\\\[1.1ex] 5 &amp; 1 &amp; 6 \\end{pmatrix} + \\begin{pmatrix} 2 &amp; 0 &amp; 5 \\\\[1.1ex] -3 &amp; 4 &amp; 1 \\\\[1.1ex] 1 &amp; 7 &amp; 8 \\end{pmatrix} =  \\begin{pmatrix} 4+2 &amp; 1+0 &amp; -2+5 \\\\[1.1ex] 0+(-3) &amp; 3+4 &amp; 2+1 \\\\[1.1ex] 5+1 &amp; 1+7 &amp; 6+8 \\end{pmatrix} = \\begin{pmatrix} \\bm{6}&amp;  \\bm{1} &amp; \\bm{3} \\\\[1.1ex] \\bm{-3} &amp; \\bm{7} &amp; \\bm{3} \\\\[1.1ex] \\bm{6} &amp; \\bm{8} &amp; \\bm{14} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"595\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 4<\/h3>\n<p>\u6b21\u306e 2 \u6b21\u6b63\u65b9\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\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\/exercice-combine-daddition-et-de-soustraction-de-matrices-22152.webp\" alt=\"2x2 \u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u3001\u884c\u5217\u306e\u6f14\u7b97\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3059\u308b\u6f14\u7fd2\" width=\"323\" height=\"68\" 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\">\u3053\u308c\u306f\u3001\u6b21\u6570 2 \u306e\u6b63\u65b9\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u6f14\u7b97\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-c9fa4dba7699c0035ce5081756b4f62e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 5 &amp; 1 \\\\[1.1ex] -2 &amp; 4  \\end{pmatrix} +  \\begin{pmatrix} 6 &amp; -2 \\\\[1.1ex] 3 &amp; -5  \\end{pmatrix} -\\begin{pmatrix} -3 &amp; 4 \\\\[1.1ex] 1 &amp; -2  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"276\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b\u5de6\u5074\u306e\u884c\u5217\u3092\u8ffd\u52a0\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-e1544e4da9d5ad2ea3ec2e4ad0326023_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 11 &amp; -1 \\\\[1.1ex] 1 &amp; -1  \\end{pmatrix}  -\\begin{pmatrix} -3 &amp; 4 \\\\[1.1ex] 1 &amp; -2  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"188\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6b21\u306b\u3001\u884c\u5217\u306e\u6e1b\u7b97\u3092\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-bd7f32fc7c9429fdfc3b5b745e85975c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} \\bm{14} &amp; \\bm{-5} \\\\[1.1ex] \\bm{0} &amp; \\bm{1}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"77\" 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>\u6b21\u306e\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\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\/exercice-combine-daddition-et-de-soustraction-de-matrices-33.webp\" alt=\"3x3 \u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u3001\u884c\u5217\u306e\u6f14\u7b97\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3059\u308b\u6f14\u7fd2\" width=\"437\" height=\"106\" 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\">\u3053\u308c\u306f\u3001\u6b21\u6570 3 \u306e\u6b63\u65b9\u884c\u5217\u306e\u6e1b\u7b97\u3068\u52a0\u7b97\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u6f14\u7b97\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-ae66268adcd61258654056815542cf58_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix}5 &amp; 3 &amp; -1 \\\\[1.1ex] 6 &amp; -4 &amp; -2 \\\\[1.1ex] 2 &amp; 3 &amp; 2 \\end{pmatrix}-\\begin{pmatrix} 3 &amp; 2 &amp; 6 \\\\[1.1ex]-1 &amp; 5 &amp; 0 \\\\[1.1ex] 2 &amp; 4 &amp; 1 \\end{pmatrix} + \\begin{pmatrix}2 &amp; -1 &amp; 5 \\\\[1.1ex] -3 &amp; 1 &amp; 4 \\\\[1.1ex] 6 &amp; 0 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"373\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u307e\u305a\u3001\u884c\u5217\u306e\u6e1b\u7b97\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-4401b28babce2beaaa6f840c4ed8c959_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix}2 &amp; 1 &amp; -7 \\\\[1.1ex] 7 &amp; -9 &amp; -2 \\\\[1.1ex] 0 &amp; -1 &amp; 1 \\end{pmatrix}+\\begin{pmatrix}2 &amp; -1 &amp; 5 \\\\[1.1ex] -3 &amp; 1 &amp; 4 \\\\[1.1ex] 6 &amp; 0 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"247\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u884c\u5217\u3092\u8ffd\u52a0\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-ffba1ade3d98c434960b54fc0c7ffe1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} \\bm{4} &amp; \\bm{0} &amp; \\bm{-2} \\\\[1.1ex] \\bm{4} &amp; \\bm{-8} &amp; \\bm{2}  \\\\[1.1ex] \\bm{6} &amp; \\bm{-1} &amp; \\bm{4} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"108\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p>\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u306e\u65b9\u6cd5\u304c\u308f\u304b\u3063\u305f\u306e\u3067\u3001\u4eca\u5ea6\u306f\u884c\u5217\u6f14\u7b97\u306e\u4e2d\u3067\u6700\u3082\u91cd\u8981\u3067\u3042\u308b\u884c\u5217\u306e<a href=\"https:\/\/mathority.org\/ja\/2x2-\u884c\u5217\u3068-3x3-\u884c\u5217\u306e\u4e57\u7b97\u306e\u4f8b\u3068\u6f14\u7fd2\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\/\">\u4e57\u7b97\u306e<\/a>\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u3053\u306e\u30b5\u30a4\u30c8\u306e\u3059\u3079\u3066\u306e\u30da\u30fc\u30b8\u3068\u540c\u69d8\u306b\u3001\u7df4\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u884c\u5217\u4e57\u7b97\u306e\u6f14\u7fd2\u3082\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002 \ud83d\ude09<\/p>\n<h2 class=\"wp-block-heading\">\u884c\u5217\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u8ffd\u52a0<\/h2>\n<p>\u884c\u5217\u52a0\u7b97\u306b\u306f\u6b21\u306e\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u884c\u5217\u306e\u52a0\u7b97\u306b\u306f<strong><span style=\"color:#1976d2;\">\u53ef\u63db\u6027\u306e\u6027\u8cea\u304c<\/span><\/strong>\u3042\u308a\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-82f98b26399adb4b532b48c18bbbae16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  A +B = B + A\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"122\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u884c\u5217\u3092\u8ffd\u52a0\u3059\u308b\u9806\u5e8f\u306f\u540c\u3058\u3067\u3059\u3002\u3053\u308c\u3092\u5b9f\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u9806\u5e8f\u3092\u5909\u66f4\u3057\u3066 2 \u3064\u306e\u884c\u5217\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u7d50\u679c\u304c\u3069\u306e\u3088\u3046\u306b\u540c\u3058\u306b\u306a\u308b\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u30012 \u3064\u306e\u884c\u5217\u3092\u7279\u5b9a\u306e\u9806\u5e8f\u3067\u8ffd\u52a0\u3057\u3066\u3044\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-a7eb454436dc3268ae8d6d2b62f395a7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix}  +  \\begin{pmatrix} 4 &amp; 1 \\\\[1.1ex] 5 &amp; 2  \\end{pmatrix}= \\begin{pmatrix} \\bm{5} &amp; \\bm{4} \\\\[1.1ex] \\bm{7} &amp; \\bm{1}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"237\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u884c\u5217\u306e\u52a0\u7b97\u9806\u5e8f\u3092\u9006\u306b\u3057\u3066\u3082\u3001\u7d50\u679c\u306f\u540c\u3058\u307e\u307e\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\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-c1e9cd77bc490913ed30ff63815da355_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{pmatrix} 4 &amp; 1 \\\\[1.1ex] 5 &amp; 2  \\end{pmatrix}  +  \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix}=  \\begin{pmatrix} \\bm{5} &amp; \\bm{4} \\\\[1.1ex] \\bm{7} &amp; \\bm{1}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"237\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<ul>\n<li>\u884c\u5217\u52a0\u7b97\u306e\u3082\u3046 1 \u3064\u306e\u7279\u6027\u306f\u3001<strong style=\"color: rgb(25, 118, 210);\">\u53cd\u5bfe\u306e\u8981\u7d20\u306e\u7279\u6027\u3067\u3059\u3002<\/strong><\/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-5195a54259faa7e6f78b82f517a58e2f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A + (-A) =0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"108\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u884c\u5217\u3068\u540c\u3058\u884c\u5217\u3092\u52a0\u7b97\u3057\u3001\u305d\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u306e\u7b26\u53f7\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u7d50\u679c\u306f\u30bc\u30ed\u884c\u5217\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-add832e83fe554143cbd4c710315c1c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\begin{pmatrix} 4 &amp; 1 &amp; -3 \\\\[1.1ex] 2 &amp; 0 &amp; 9 \\end{pmatrix} + \\begin{pmatrix} -4 &amp; -1 &amp; 3 \\\\[1.1ex] -2 &amp; 0 &amp; -9 \\end{pmatrix} =  \\begin{pmatrix} \\bm{0} &amp; \\bm{0} &amp; \\bm{0} \\\\[1.1ex] \\bm{0} &amp; \\bm{0} &amp; \\bm{0}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"353\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u884c\u5217\u306e\u52a0\u7b97\u306b\u306f\u3001\u6b21\u306e\u3088\u3046<strong><span style=\"color:#1976d2;\">\u306a\u4e2d\u7acb\u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u3042\u308a\u307e\u3059\u3002<\/span><\/strong><\/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-ac2f2c3b2989e505a4d61bab8759a13d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A + 0 =A\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"80\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u7279\u6027\u306f\u6700\u3082\u660e\u3089\u304b\u3067\u3042\u308a\u3001\u4efb\u610f\u306e\u884c\u5217\u3068\u30bc\u30ed\u3067\u3044\u3063\u3071\u3044\u306e\u884c\u5217\u304c\u540c\u3058\u884c\u5217\u3068\u540c\u7b49\u3067\u3042\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u6307\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-ac7b0ba246075c196188798be2c6a034_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 2 &amp; 1 &amp; 5 \\\\[1.1ex] -3 &amp; 4 &amp; 9 \\\\[1.1ex] 1 &amp; 12 &amp; 6 \\end{pmatrix} + \\begin{pmatrix} 0 &amp; 0  &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 0  \\end{pmatrix} =  \\begin{pmatrix} \\bm{2} &amp; \\bm{1} &amp; \\bm{5} \\\\[1.1ex] \\bm{-3} &amp; \\bm{4} &amp; \\bm{9} \\\\[1.1ex] \\bm{1} &amp; \\bm{12} &amp; \\bm{6} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"351\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u884c\u5217\u306e\u52a0\u7b97\u306b\u306f<strong><span style=\"color:#1976d2;\">\u7d50\u5408\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/strong><\/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-9b1aee88fd57af78c40429c93c7a2136_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\left( A + B \\right) + C  =A +  \\left(  B + C \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"219\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u884c\u5217\u3092\u8ffd\u52a0\u3059\u308b\u9806\u5e8f\u306f\u540c\u3058\u3067\u3059\u3002\u6b21\u306e\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002\u7570\u306a\u308b\u9806\u5e8f\u3067 3 \u3064\u306e\u884c\u5217\u3092\u8ffd\u52a0\u3057\u3066\u3082\u3001\u7d50\u679c\u306f\u540c\u3058\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-bae8e10bca43351f3a84f83bfe50ab55_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A =  \\begin{pmatrix} 2  \\\\[1.1ex] 1 \\end{pmatrix}  \\qquad B = \\begin{pmatrix} 4  \\\\[1.1ex] -1  \\end{pmatrix} \\qquad C = \\begin{pmatrix} 3  \\\\[1.1ex] 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"310\" 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-2cc2b7a14cacc7e403cd729cd863d309_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\left( A + B \\right) + C &amp; =\\left(  \\begin{pmatrix} 2  \\\\[1.1ex] 1  \\end{pmatrix}   +  \\begin{pmatrix} 4  \\\\[1.1ex] -1  \\end{pmatrix} \\right) + \\begin{pmatrix} 3  \\\\[1.1ex] 0  \\end{pmatrix}  \\\\[2ex] &amp; =   \\begin{pmatrix} 6  \\\\[1.1ex] 0  \\end{pmatrix} + \\begin{pmatrix} 3  \\\\[1.1ex] 0 \\end{pmatrix} \\\\[2ex] &amp; =\\begin{pmatrix} \\bm{9}  \\\\[1.1ex] \\bm{0} \\end{pmatrix} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"204\" width=\"313\" 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-7ab1f88e74b139451eccb0471988c3db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} A +  \\left(  B + C \\right) &amp; = \\begin{pmatrix} 2  \\\\[1.1ex] 1  \\end{pmatrix}  + \\left( \\begin{pmatrix} 4  \\\\[1.1ex] -1  \\end{pmatrix}  +\\begin{pmatrix} 3  \\\\[1.1ex] 0  \\end{pmatrix} \\right) \\\\[2ex] &amp; =  \\begin{pmatrix} 2  \\\\[1.1ex] 1  \\end{pmatrix} + \\begin{pmatrix} 7  \\\\[1.1ex] -1  \\end{pmatrix} \\\\[2ex] &amp; = \\begin{pmatrix}  \\bm{9}  \\\\[1.1ex] \\bm{0}\\end{pmatrix} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"204\" width=\"314\" style=\"vertical-align: 0px;\"><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u884c\u5217\u3092\u52a0\u7b97\u304a\u3088\u3073\u6e1b\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u4f8b\u3068\u3001\u7df4\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u6c7a\u3055\u308c\u305f\u6f14\u7fd2\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u884c\u5217\u52a0\u7b97\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u898b\u3064\u304b\u308a\u307e\u3059\u3002 \u884c\u5217\u3092\u52a0\u7b97\u304a\u3088\u3073\u6e1b\u7b97\u3059\u308b\u306b\u306f\u3069 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e8%a1%8c%e5%88%97%e3%81%ae%e5%8a%a0%e7%ae%97%e6%b8%9b%e7%ae%97-2x2-3x3-%e3%81%ae%e4%be%8b%e9%a1%8c%e3%82%92%e8%a7%a3%e3%81%84%e3%81%9f%e6%bc%94%e7%bf%92\/\"> <span class=\"screen-reader-text\">\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97\u306e\u8a08\u7b97\u65b9\u6cd5<\/span> \u3082\u3063\u3068\u8aad\u3080 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