{"id":281,"date":"2023-07-06T22:49:54","date_gmt":"2023-07-06T22:49:54","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%9d%98-%eb%8d%a7%ec%85%88-%eb%ba%84%ec%85%88-2x2-3x3-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%ec%97%b0%ec%8a%b5\/"},"modified":"2023-07-06T22:49:54","modified_gmt":"2023-07-06T22:49:54","slug":"%ed%96%89%eb%a0%ac%ec%9d%98-%eb%8d%a7%ec%85%88-%eb%ba%84%ec%85%88-2x2-3x3-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%ec%97%b0%ec%8a%b5","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%9d%98-%eb%8d%a7%ec%85%88-%eb%ba%84%ec%85%88-2x2-3x3-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%ec%97%b0%ec%8a%b5\/","title":{"rendered":"\ud589\ub82c \ub367\uc148\uacfc \ube84\uc148\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 <strong>\ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294<\/strong> \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc608\ubb38\ub3c4 \uc788\uace0, \uc5f0\uc2b5\ud560 \uc218 \uc788\ub3c4\ub85d \ubb38\uc81c\ub3c4 \ud480\uc5c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud589\ub82c \ucd94\uac00\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> \ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> <strong>\ub450 \ud589\ub82c\uc758 \ub367\uc148(\ub610\ub294 \ube84\uc148)\uc744<\/strong> \uacc4\uc0b0\ud558\ub824\uba74 \ud589\ub82c\uc5d0\uc11c \ub3d9\uc77c\ud55c \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294 \uc694\uc18c\ub97c \ub354\ud558\uac70\ub098 \ube7c\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> \uc608: <\/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 \ud589\ub82c\uc758 \ub367\uc148\uacfc \ube84\uc148, \ud589\ub82c \uc5f0\uc0b0\uc758 \uc608\" class=\"wp-image-1267\" width=\"719\" height=\"373\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \ub450 \ud589\ub82c\uc744 \ub354\ud558\uac70\ub098 \ube7c\ub824\uba74 <strong>\ucc28\uc6d0\uc774 \ub3d9\uc77c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong> \uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c \ud589\ub82c\uc740 \uccab \ubc88\uc9f8 \ud589\ub82c\uc774 2&#215;2 \ud589\ub82c\uc774\uace0 \ub450 \ubc88\uc9f8 \ud589\ub82c\uc774 3&#215;2 \ud589\ub82c\uc774\ubbc0\ub85c \ucd94\uac00\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/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\"> \ud589\ub82c\uc758 \ub367\uc148\uacfc \ube84\uc148\uc744 \uc704\ud55c \ud574\uacb0\ub41c \uc5f0\uc2b5\ubb38\uc81c<\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c\uacfc \uac19\uc740 2&#215;2 \ud589\ub82c\uc758 \ud569\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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 \ud589\ub82c\uc744 \ucd94\uac00\ud558\uae30 \uc704\ud574 \ub2e8\uacc4\ubcc4\ub85c \ubb38\uc81c \ud574\uacb0\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\ub294 2\u00d72 \ucc28\uc6d0\uc758 \ub450 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \ud569\uc785\ub2c8\ub2e4. <\/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\">\uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \ud589\ub82c \ube7c\uae30\ub97c \uc218\ud589\ud569\ub2c8\ub2e4. <\/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=\"\ud589\ub82c\uc758 \ub2e8\uacc4\ubcc4 \ube7c\uae30, \ud589\ub82c \uc5f0\uc0b0\uc744 \ud1b5\ud574 \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\ub294 3\u00d72 \ucc28\uc6d0\uc758 \ub450 \ud589\ub82c\uc744 \ube7c\ub294 \uac83\uc785\ub2c8\ub2e4. <\/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\">\uc5f0\uc2b5 3<\/h3>\n<p> 3\u00d73 \ucc28\uc6d0\uc758 \ub2e4\uc74c \ud589\ub82c \ud569\uc758 \uacb0\uacfc\ub97c \uad6c\ud569\ub2c8\ub2e4. <\/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 \ud589\ub82c\uc744 \ucd94\uac00\ud558\uace0 \ud589\ub82c\uc744 \uc774\uc6a9\ud55c \uc5f0\uc0b0\uc744 \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ud558\ub294 \uc5f0\uc2b5\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\ub294 3\u00d73 \ucc28\uc218\uc758 \ub450 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \ud569\uc785\ub2c8\ub2e4. <\/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\"> \uc5f0\uc2b5 4<\/h3>\n<p> 2\ucc28 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \ub2e4\uc74c \ub367\uc148\uacfc \ube84\uc148\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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 \ud589\ub82c\uc758 \ub2e8\uacc4\ubcc4 \ub367\uc148\uacfc \ube84\uc148, \ud589\ub82c \uc5f0\uc0b0\uc744 \ud1b5\ud574 \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\ub294 2\ucc28 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \ub367\uc148\uacfc \ube84\uc148\uc774 \uacb0\ud569\ub41c \uc5f0\uc0b0\uc785\ub2c8\ub2e4.<\/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\"> \uba3c\uc800 \uc67c\ucabd\uc5d0 \ud589\ub82c\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/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\"> \uadf8\ub7f0 \ub2e4\uc74c \ud589\ub82c\uc758 \ube84\uc148\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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\">\uc5f0\uc2b5 5<\/h3>\n<p> \ub2e4\uc74c \ud589\ub82c \ub367\uc148\uacfc \ube84\uc148\uc744 \ud480\uc5b4\ubcf4\uc138\uc694. <\/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 \ud589\ub82c\uc758 \ub2e8\uacc4\ubcc4 \ub367\uc148\uacfc \ube84\uc148, \ud589\ub82c \uc5f0\uc0b0\uc744 \ud1b5\ud574 \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\" 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>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc774\ub294 3\ucc28 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \ube84\uc148\uacfc \ub367\uc148\uc744 \uacb0\ud569\ud55c \uc5f0\uc0b0\uc785\ub2c8\ub2e4.<\/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\"> \uba3c\uc800, \ud589\ub82c \ube7c\uae30\ub97c \ud47c\ub2e4:<\/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\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud589\ub82c\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. <\/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> \uc774\uc81c \ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294 \ubc29\ubc95\uc744 \uc54c\uc558\uc73c\ub2c8 \ud589\ub82c \uc5f0\uc0b0 \uc911 \uac00\uc7a5 \uc911\uc694\ud55c <a href=\"https:\/\/mathority.org\/ko\/2x2-\u1106\u1175\u11be-3x3-\u1112\u1162\u11bc\u1105\u1167\u11af\u110b\u1174-\u1100\u1169\u11b8\u1109\u1166\u11b7-\u110b\u1168-\u1106\u1175\u11be-\u110b\u1167\u11ab\u1109\u1173\u11b8-\u1106\u116e\u11ab\u110c\u1166\u1105\u1173\u11af-\u1103\u1161\u11ab\u1100\u1168\u1107\u1167\u11af\u1105\u1169-\u1112\u1162\u1100\u1167\u11af\/\">\ud589\ub82c \uacf1\uc148<\/a> \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc774 \uc0ac\uc774\ud2b8\uc758 \ubaa8\ub4e0 \ud398\uc774\uc9c0\uc5d0\uc11c\uc640 \uac19\uc774 \uc5f0\uc2b5\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uacb0\ub41c \ub2e8\uacc4\ubcc4 \ud589\ub82c \uacf1\uc148 \uc5f0\uc2b5\ub3c4 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud83d\ude09<\/p>\n<h2 class=\"wp-block-heading\"> \ud589\ub82c \uc18d\uc131 \ucd94\uac00<\/h2>\n<p> \ud589\ub82c \ucd94\uac00\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ud589\ub82c \ub367\uc148\uc5d0\ub294 <strong><span style=\"color:#1976d2;\">\uad50\ud658 \ud2b9\uc131\uc774<\/span><\/strong> \uc788\uc2b5\ub2c8\ub2e4.<\/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> \ub530\ub77c\uc11c \ud589\ub82c\uc744 \ucd94\uac00\ud558\ub294 \uc21c\uc11c\ub294 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc774\ub97c \uc2dc\uc5f0\ud558\uae30 \uc704\ud574 \uc21c\uc11c\ub97c \ubcc0\uacbd\ud558\uc5ec \ub450 \uac1c\uc758 \ud589\ub82c\uc744 \ucd94\uac00\ud558\uace0 \uacb0\uacfc\uac00 \uc5b4\ub5bb\uac8c \ub3d9\uc77c\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 \ud2b9\uc815 \uc21c\uc11c\ub85c \ub450 \uac1c\uc758 \ud589\ub82c\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/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> \ud589\ub82c\uc758 \ub367\uc148 \uc21c\uc11c\ub97c \ubc18\ub300\ub85c \ubc14\uafd4\ub3c4 \uacb0\uacfc\ub294 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4. <\/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> \ud589\ub82c \ub367\uc148\uc758 \ub610 \ub2e4\ub978 \uc18d\uc131\uc740 <strong style=\"color: rgb(25, 118, 210);\">\ubc18\ub300 \uc694\uc18c\uc758 \uc18d\uc131\uc785\ub2c8\ub2e4.<\/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> \uc989, \ub3d9\uc77c\ud55c \ud589\ub82c\uc5d0 \ubaa8\ub4e0 \uc694\uc18c\uc758 \ubd80\ud638\uac00 \ubcc0\uacbd\ub41c \ud589\ub82c\uc744 \ucd94\uac00\ud558\uba74 \uacb0\uacfc\ub294 0 \ud589\ub82c\uc774 \ub429\ub2c8\ub2e4.<\/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> \ud589\ub82c \ub367\uc148\uc5d0\ub294 <strong><span style=\"color:#1976d2;\">\uc911\ub9bd \uc694\uc18c \uc18d\uc131\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/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> \uc774 \uc18d\uc131\uc740 \uac00\uc7a5 \uba85\ubc31\ud558\uba70, \ubaa8\ub4e0 \ud589\ub82c\uc5d0 0\uc73c\ub85c \uac00\ub4dd \ucc2c \ud589\ub82c\uc744 \ub354\ud558\uba74 \ub3d9\uc77c\ud55c \ud589\ub82c\uacfc \ub3d9\uc77c\ud558\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/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> \ud589\ub82c \ub367\uc148\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 <strong><span style=\"color:#1976d2;\">\uacb0\ud569 \uc18d\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/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> \ub530\ub77c\uc11c \ud589\ub82c\uc744 \ucd94\uac00\ud558\ub294 \uc21c\uc11c\ub294 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uc608\ub97c \ubcf4\uc138\uc694. \uc21c\uc11c\uac00 \ub2e4\ub978 3\uac1c\uc758 \ud589\ub82c\uc744 \ucd94\uac00\ud558\uba74 \uacb0\uacfc\uac00 \ub3d9\uc77c\ud569\ub2c8\ub2e4. <\/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>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc608\ubb38\ub3c4 \uc788\uace0, \uc5f0\uc2b5\ud560 \uc218 \uc788\ub3c4\ub85d \ubb38\uc81c\ub3c4 \ud480\uc5c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud589\ub82c \ucd94\uac00\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ub450 \ud589\ub82c\uc758 \ub367\uc148(\ub610\ub294 \ube84\uc148)\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \ud589\ub82c\uc5d0\uc11c \ub3d9\uc77c\ud55c \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294 \uc694\uc18c\ub97c \ub354\ud558\uac70\ub098 \ube7c\uc57c \ud569\ub2c8\ub2e4. \uc608: \ub450 \ud589\ub82c\uc744 \ub354\ud558\uac70\ub098 \ube7c\ub824\uba74 \ucc28\uc6d0\uc774 \ub3d9\uc77c\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ed%96%89%eb%a0%ac%ec%9d%98-%eb%8d%a7%ec%85%88-%eb%ba%84%ec%85%88-2x2-3x3-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%ec%97%b0%ec%8a%b5\/\"> <span class=\"screen-reader-text\">\ud589\ub82c \ub367\uc148\uacfc \ube84\uc148\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/span> \ub354 \ubcf4\uae30 &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":[20],"tags":[],"class_list":["post-281","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ud589\ub82c \ub367\uc148\uacfc \ube84\uc148\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95 - Mathority<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/ko\/\ud589\ub82c\uc758-\ub367\uc148-\ube84\uc148-2x2-3x3-\uc608\uc81c-\ud574\uacb0-\uc5f0\uc2b5\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud589\ub82c \ub367\uc148\uacfc \ube84\uc148\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95 - Mathority\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc644\ubcbd\ud558\uac8c \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc608\ubb38\ub3c4 \uc788\uace0, \uc5f0\uc2b5\ud560 \uc218 \uc788\ub3c4\ub85d \ubb38\uc81c\ub3c4 \ud480\uc5c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud589\ub82c \ucd94\uac00\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud589\ub82c\uc744 \ub354\ud558\uace0 \ube7c\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ub450 \ud589\ub82c\uc758 \ub367\uc148(\ub610\ub294 \ube84\uc148)\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \ud589\ub82c\uc5d0\uc11c \ub3d9\uc77c\ud55c \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294 \uc694\uc18c\ub97c \ub354\ud558\uac70\ub098 \ube7c\uc57c \ud569\ub2c8\ub2e4. \uc608: \ub450 \ud589\ub82c\uc744 \ub354\ud558\uac70\ub098 \ube7c\ub824\uba74 \ucc28\uc6d0\uc774 \ub3d9\uc77c\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 &hellip; \ud589\ub82c \ub367\uc148\uacfc \ube84\uc148\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95 \ub354 \ubcf4\uae30 &raquo;\" \/>\n<meta property=\"og:url\" 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