{"id":283,"date":"2023-07-06T22:09:09","date_gmt":"2023-07-06T22:09:09","guid":{"rendered":"https:\/\/mathority.org\/ko\/2x2-%eb%b0%8f-3x3-%ed%96%89%eb%a0%ac-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9c%bc%eb%a1%9c-%ec%88%ab%ec%9e%90-%ea%b3%b1%ed%95%98%ea%b8%b0\/"},"modified":"2023-07-06T22:09:09","modified_gmt":"2023-07-06T22:09:09","slug":"2x2-%eb%b0%8f-3x3-%ed%96%89%eb%a0%ac-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9c%bc%eb%a1%9c-%ec%88%ab%ec%9e%90-%ea%b3%b1%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/2x2-%eb%b0%8f-3x3-%ed%96%89%eb%a0%ac-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9c%bc%eb%a1%9c-%ec%88%ab%ec%9e%90-%ea%b3%b1%ed%95%98%ea%b8%b0\/","title":{"rendered":"\uc22b\uc790\uc5d0 \ud589\ub82c \uacf1\ud558\uae30"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 <strong>\uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/strong> \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 \uc2a4\uce7c\ub77c\uc640 \ud589\ub82c\uc758 \uacf1\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"> \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> <strong>\uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1<\/strong> \ud558\ub824\uba74 \ud589\ub82c\uc758 \uac01 \uc694\uc18c\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\uc138\uc694.<\/p>\n<h2 class=\"wp-block-heading\"> \uc608: <\/h2>\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-de-multiplication-dun-nombre-par-une-matrice.webp\" alt=\"\ud589\ub82c\uc5d0 \uc758\ud55c \uc22b\uc790\uc758 \uacf1\uc148 \ub610\ub294 \uacf1\uc758 \uc608\" width=\"514\" height=\"122\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"> \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubb38\uc81c \ud574\uacb0<\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1: <\/h3>\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-de-produit-scalaire-entre-un-nombre-et-une-matrice-22.webp\" alt=\"2x2 \ud589\ub82c\uc5d0 \uc758\ud55c \uc22b\uc790 \uacf1\uc758 \uc5f0\uc2b5, \ud589\ub82c \uc5f0\uc0b0 \ud574\uacb0\" width=\"107\" 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 \uc2a4\uce7c\ub77c\uc640 2\ucc28 \uc815\uc0ac\uac01 \ud589\ub82c\uc758 \uacf1\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-590b79c0fea524b963397181b6f2bea8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 3 \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; -4  \\end{pmatrix} = \\begin{pmatrix} 3\\cdot 1 &amp; 3\\cdot 3 \\\\[1.1ex] 3\\cdot 2 &amp; 3\\cdot (-4)  \\end{pmatrix} = \\begin{pmatrix} \\bm{3} &amp; \\bm{9} \\\\[1.1ex] \\bm{6} &amp; \\bm{-12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"348\" 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<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-de-multiplication-dun-nombre-par-une-matrice-33.webp\" alt=\"3x3 \ud589\ub82c\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\uc5ec \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ud558\ub294 \uc5f0\uc2b5, \ud589\ub82c\uc744 \uc0ac\uc6a9\ud55c \uc5f0\uc0b0\" width=\"184\" 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\uc5d0 \uc758\ud55c \uc22b\uc790\uc758 \uacf1\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-5042f0f8cd9b7a4d0e28974f793b145b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -4 \\begin{pmatrix} 2 &amp; 1 &amp; 5 \\\\[1.1ex] -1 &amp; 0 &amp; 3 \\\\[1.1ex] 6 &amp; -2 &amp; -3  \\end{pmatrix} = \\begin{pmatrix} -4 \\cdot 2 &amp; -4 \\cdot 1 &amp; -4 \\cdot 5 \\\\[1.1ex] -4 \\cdot (-1) &amp; -4 \\cdot 0 &amp; -4 \\cdot 3 \\\\[1.1ex] -4 \\cdot 6 &amp; -4 \\cdot (-2) &amp; -4 \\cdot (-3)  \\end{pmatrix}= \\begin{pmatrix} \\bm{-8} &amp; \\bm{-4} &amp; \\bm{-20} \\\\[1.1ex] \\bm{4} &amp; \\bm{0} &amp; \\bm {-12}  \\\\[1.1ex] \\bm{-24} &amp; \\bm{8} &amp; \\bm {12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"627\" 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<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\/operations-combinees-avec-des-matrices-22152.webp\" alt=\"2x2 \ud589\ub82c\ub85c \uc22b\uc790 \uacf1\uc148, \ud589\ub82c\uacfc \uacb0\ud569\ub41c \uc5f0\uc0b0 \ud574\uacb0\" width=\"233\" height=\"70\" 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 \uc22b\uc790\uc640 \ud589\ub82c\uc758 \uacf1\uacfc 2\u00d72 \ucc28\uc6d0 \ud589\ub82c\uc758 \ud569\uc744 \uacb0\ud569\ud558\ub294 \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-56d2a40f021be13a5d92d0c10d353684_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2 \\begin{pmatrix} 5 &amp; 1 \\\\[1.1ex] -2 &amp; 3  \\end{pmatrix}+5\\begin{pmatrix} 5 &amp; 1 \\\\[1.1ex] -2 &amp; 3  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"193\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uba3c\uc800 \uc81c\ud488\uc744 \ud574\uacb0\ud574\uc57c \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-068901abef987767025bb01b24579226_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 10 &amp; 2 \\\\[1.1ex] -4 &amp; 6  \\end{pmatrix}+\\begin{pmatrix} 25 &amp; 5 \\\\[1.1ex] -10 &amp; 15  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"183\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacb0\uacfc \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-d15ea16036f522af0f23fee0bb796757_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} \\bm{35} &amp; \\bm{7} \\\\[1.1ex] \\bm{-14} &amp; \\bm{21}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"85\" 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 4:<\/h3>\n<p class=\"has-text-align-left\"> \ub2e4\uc74c \ud589\ub82c\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/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-5374cb55dbbfa80c91a478b4cbdb2ee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A=\\begin{pmatrix} 2 &amp; -3 &amp; 5 \\\\ 1 &amp; 4 &amp; 0 \\\\ -3 &amp; 2 &amp; -5 \\end{pmatrix}  \\qquad B=\\begin{pmatrix} 6 &amp; 0 &amp; 2 \\\\ -3 &amp; 4 &amp; 1 \\\\ 3 &amp; 2 &amp; 7 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"64\" width=\"344\" style=\"vertical-align: -27px;\"><\/p>\n<\/p>\n<p> \uacc4\uc0b0\ud558\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-d5f0b93a77e7bb1b7b99d63546652e8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -2A+5I-3B\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"119\" style=\"vertical-align: -2px;\"><\/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__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\uc6d0 \ud589\ub82c\uc758 \ub367\uc148\uacfc \ube84\uc148\uc744 \uc2a4\uce7c\ub77c \uacf1\uc148\uacfc \uacb0\ud569\ud558\ub294 \uc5f0\uc0b0\uc785\ub2c8\ub2e4. \uac8c\ub2e4\uac00 \ub9e4\ud2b8\ub9ad\uc2a4\ub294<\/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-18b5e45cb4a1ee02e81b9a980f828db8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"I\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub294 \uc8fc\ub300\uac01\uc120\uc774 1\uc774\uace0 \ub098\uba38\uc9c0 \uc694\uc18c\uac00 0\uc778 \ub2e8\uc704 \ud589\ub82c\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-dce934040dc05714321dbbeac4e20c73_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -2\\begin{pmatrix} 2 &amp; -3 &amp; 5 \\\\[1.1ex] 1 &amp; 4 &amp; 0 \\\\[1.1ex] -3 &amp; 2 &amp; -5 \\end{pmatrix}+5\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex]  0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} -3 \\begin{pmatrix} 6 &amp; 0 &amp; 2 \\\\[1.1ex] -3 &amp; 4 &amp; 1 \\\\[1.1ex] 3 &amp; 2 &amp; 7 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"412\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uba3c\uc800 \uacf1\uc148\uc744 \uc218\ud589\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-dc26f29384abcfb6f08a36b601e4ff61_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} -4 &amp; 6 &amp; -10 \\\\[1.1ex] -2 &amp; -8 &amp; 0 \\\\[1.1ex] 6 &amp; -4 &amp; 10 \\end{pmatrix}+\\begin{pmatrix} 5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 5 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 5 \\end{pmatrix} - \\begin{pmatrix} 18 &amp; 0 &amp; 6 \\\\[1.1ex] -9 &amp; 12 &amp; 3 \\\\[1.1ex] 9 &amp; 6 &amp; 21 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"385\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ucc98\uc74c \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-897ec02d46bc09bdec58d9b3246c6f4d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle   \\begin{pmatrix} 1 &amp; 6 &amp; -10 \\\\[1.1ex] -2 &amp; -3 &amp; 0 \\\\[1.1ex] 6 &amp; -4 &amp; 15 \\end{pmatrix}-\\begin{pmatrix} 18 &amp; 0 &amp; 6 \\\\[1.1ex] -9 &amp; 12 &amp; 3 \\\\[1.1ex] 9 &amp; 6 &amp; 21 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"274\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud589\ub82c\uc758 \ube84\uc148\uc744 \uc218\ud589\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-9ddd808a46a137f4c7742545c4f76f46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} \\bm{-17} &amp; \\bm{6} &amp; \\bm{-16} \\\\[1.1ex] \\bm{7} &amp; \\bm{-15} &amp; \\bm{-3} \\\\[1.1ex] \\bm{-3} &amp; \\bm{-10} &amp; \\bm{-6} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"148\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p> \ud589\ub82c \uc2a4\uce7c\ub77c \uacf1\uc5d0 \ub300\ud55c \uc774\ub7ec\ud55c \uc5f0\uc2b5\uc774 \ub3c4\uc6c0\uc774 \ub418\uc5c8\ub2e4\uba74 \ub354 \uc774\uc0c1 \ubc18\ubcf5\ub418\ub294 \ub450 \uac00\uc9c0 \uc720\ud615\uc758 <a href=\"https:\/\/mathority.org\/ko\/\u1112\u1162\u11bc\u1105\u1167\u11af\u110b\u1174-\u1103\u1165\u11ba\u1109\u1166\u11b7-\u1108\u1162\u11af\u1109\u1166\u11b7-2x2-3x3-\u110b\u1168\u110c\u1166-\u1112\u1162\u1100\u1167\u11af-\u110b\u1167\u11ab\u1109\u1173\u11b8\/\">\ud589\ub82c \uc5f0\uc0b0\uc778 \ud589\ub82c\uc758 \ub367\uc148<\/a> \uacfc <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\uc758 \uacf1<\/a> \uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc8fc\uc800\ud558\uc9c0 \ub9d0\uace0 \uc5f0\uc2b5\ud574 \ubcf4\uc138\uc694.<\/p>\n<h2 class=\"wp-block-heading\"> \ud589\ub82c\uc5d0 \uc758\ud55c \uc22b\uc790\uc758 \uacf1\uc758 \uc18d\uc131<\/h2>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p> \uc798 \uc544\uc2dc <a href=\"https:\/\/mathority.org\/ko\/\u1106\u1162\u1110\u1173\u1105\u1175\u11a8\u1109\u1173-\u110b\u1172\u1112\u1167\u11bc\/\">\ub2e4\uc2dc\ud53c \ud589\ub82c\uc5d0\ub294 \uc815\uc0ac\uac01\ud615 \ud589\ub82c, \uc0bc\uac01 \ud589\ub82c, \ub2e8\uc704 \ud589\ub82c \ub4f1 \ub2e4\uc591\ud55c \uc720\ud615\uc774<\/a> \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub2e4\ud589\uc2a4\ub7fd\uac8c\ub3c4 \ud589\ub82c\uc5d0 \uc758\ud55c \uc22b\uc790 \uacf1\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc740 \ubaa8\ub4e0 \uc885\ub958\uc758 \ud589\ub82c\uc5d0 \uc720\ud6a8\ud569\ub2c8\ub2e4.<\/p>\n<p> \uc2a4\uce7c\ub77c\uc640 \ud589\ub82c \uc0ac\uc774\uc758 \uacf1\uc148\uc758 \uc18d\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> <strong><span style=\"color:#1976d2;\">\uc5f0\uad00 \uc18d\uc131:<\/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-bff3550cd8d240f651354e6646e6bf15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a \\cdot (b \\cdot A) = (a \\cdot b) \\cdot A\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"163\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub2e4\uc74c \ub450 \uc5f0\uc0b0\uc744 \uc0b4\ud3b4\ubcf4\uc138\uc694. 2\uc640 3\uc744 \uc5b4\ub5bb\uac8c \uacf1\ud558\ub4e0 \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\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-b4e9fd568edd5833238d8d21fdf4d1a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2 \\cdot \\left(3 \\cdot \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix} \\right) =2 \\cdot \\begin{pmatrix} 3 &amp; 0 \\\\[1.1ex] 6 &amp; -3 \\end{pmatrix} = \\begin{pmatrix} \\bm{6} &amp; \\bm{0} \\\\[1.1ex] \\bm{12} &amp; \\bm{-6} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"372\" 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-9f8ee596b3e2ca16ff1c507717982ee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (2 \\cdot 3) \\cdot \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix}  =6 \\cdot \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix}   = \\begin{pmatrix} \\bm{6} &amp; \\bm{0} \\\\[1.1ex] \\bm{12} &amp; \\bm{-6}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li> \uc2a4\uce7c\ub77c \ub367\uc148\uc5d0 \uad00\ud55c <strong><span style=\"color:#1976d2;\">\ubd84\ubc30\ubc95\uce59<\/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-5829e6e40633068cc4f35b43184a41e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b) \\cdot A = a \\cdot A+ b \\cdot A\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"192\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc544\ub798 \uc608\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 \uba3c\uc800 1+2\ub97c \ub354\ud55c \ub2e4\uc74c \ud589\ub82c\ub85c \uacf1\ud558\uac70\ub098 \ud589\ub82c\uc5d0 \ubcc4\ub3c4\ub85c 1\uacfc 2\ub97c \uacf1\ud55c \ub2e4\uc74c \uacb0\uacfc\ub97c \ub354\ud574\ub3c4 \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-025ac9b0851ed93fd0c3870328d6144b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (1 + 2) \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4 \\end{pmatrix} =3 \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4 \\end{pmatrix}=  \\begin{pmatrix} \\bm{6} &amp; \\bm{-3} \\\\[1.1ex] \\bm{9} &amp; \\bm{15} \\\\[1.1ex] \\bm{-6} &amp; \\bm{-12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"416\" 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-2f54f4d5ae113e2462b752c150b3f43b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 1  \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4 \\end{pmatrix} + 2  \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4\\end{pmatrix} = \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5\\\\[1.1ex] -2 &amp; -4 \\end{pmatrix} +  \\begin{pmatrix} 4 &amp; -2 \\\\[1.1ex] 6 &amp; 10 \\\\[1.1ex] -4 &amp; -8\\end{pmatrix}=  \\begin{pmatrix} \\bm{6} &amp; \\bm{-3} \\\\[1.1ex] \\bm{9} &amp; \\bm{15} \\\\[1.1ex] \\bm{-6} &amp; \\bm{-12}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"568\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li> \ud589\ub82c \ub367\uc148\uc5d0 \uad00\ud55c <strong><span style=\"color:#1976d2;\">\ubd84\ubc30\ubc95\uce59<\/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-fac6ec8cbb2d4ead773b75d0180bca20_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a \\cdot \\left(A + B \\right) = a \\cdot A + a \\cdot B\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"202\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc989, \ub450 \uac1c\uc758 \uc218\ud559\uc801 \ud589\ub82c\uc744 \ub354\ud55c \ub2e4\uc74c \uc22b\uc790\ub85c \uacf1\ud558\ub294 \uac83\uc740 \ub450 \uac1c\uc758 \ud589\ub82c\uc5d0 \ub3d9\uc77c\ud55c \uc22b\uc790\ub97c \uac1c\ubcc4\uc801\uc73c\ub85c \uacf1\ud55c \ub2e4\uc74c \uacb0\uacfc\ub97c \ub354\ud558\ub294 \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uc608\uc5d0\uc11c \ub2e4\uc74c\uc744 \ud655\uc778\ud560 \uc218 \uc788\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-cdb35d5c66ee525c3d52fe7576e75758_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4 \\cdot  \\left( \\begin{pmatrix} 3 &amp; -2 \\\\[1.1ex] 6 &amp; -1 \\end{pmatrix}+\\begin{pmatrix} -1 &amp; 3 \\\\[1.1ex] 0 &amp; 4 \\end{pmatrix} \\right) =4 \\cdot   \\begin{pmatrix} 2 &amp; 1 \\\\[1.1ex] 6 &amp; 3 \\end{pmatrix}= \\begin{pmatrix} \\bm{8} &amp; \\bm{4} \\\\[1.1ex] \\bm{24} &amp; \\bm{12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"430\" 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-0ef9d3f8f503371fa5f3d2478f728d88_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4 \\cdot  \\begin{pmatrix} 3 &amp; -2 \\\\[1.1ex] 6 &amp; -1 \\end{pmatrix}+ 4 \\cdot \\begin{pmatrix} -1 &amp; 3 \\\\[1.1ex] 0 &amp; 4 \\end{pmatrix} = \\begin{pmatrix} 12 &amp; -8 \\\\[1.1ex] 24 &amp; -4 \\end{pmatrix}+\\begin{pmatrix} -4 &amp; 12 \\\\[1.1ex] 0 &amp; 16 \\end{pmatrix} = \\begin{pmatrix} \\bm{8} &amp; \\bm{4} \\\\[1.1ex] \\bm{24} &amp; \\bm{12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"530\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li> <strong><span style=\"color:#1976d2;\">\uc911\ub9bd \uc694\uc18c\uc758 \uc18d\uc131:<\/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-244c951ff1cce8dc60f6d66a781c0580_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1 \\cdot A = A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"71\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \ud589\ub82c\uc5d0 1\uc744 \uacf1\ud560 \ub54c \ud589\ub82c\uc744 \uc218\uc815\ud558\uc9c0 \uc54a\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-0ee2c0afd1bf2904722701caca883125_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 1 \\cdot   \\begin{pmatrix} 5 &amp; -4 &amp; 0 \\\\[1.1ex] 1 &amp; 3 &amp; -3 \\\\[1.1ex] 2 &amp; 9 &amp; 4 \\end{pmatrix}=\\begin{pmatrix} \\bm{5} &amp; \\bm{-4} &amp; \\bm{0} \\\\[1.1ex] \\bm{1} &amp; \\bm{3} &amp; \\bm{-3} \\\\[1.1ex] \\bm{2} &amp; \\bm{9} &amp; \\bm{4} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"275\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774\uac83\ub4e4\uc740 \ubaa8\ub450 \uc2a4\uce7c\ub77c\uc640 \ud589\ub82c\uc758 \uacf1\uc758 \uc18d\uc131\uc774\ubbc0\ub85c \uc774\uac83\uc774 \uc774 \uae00\uc758 \ub05d\uc785\ub2c8\ub2e4. \uc774 \ub0b4\uc6a9\uc774 \ub9c8\uc74c\uc5d0 \ub4e4\uc5c8\uae30\ub97c \ubc14\ub77c\uba70, \ubb34\uc5c7\ubcf4\ub2e4\ub3c4 \ud589\ub82c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc22b\uc790\uc758 \uacf1\uc148\uc744 \ud478\ub294 \ubc29\ubc95\uc744 \ubc30\uc6e0\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<p> \ubc18\uba74, \uacf1\uc148\uacfc \uc5f0\uacb0\ub418\uc5b4 \uc788\uace0 \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub2e4\ub978 \ud589\ub82c \uc5f0\uc0b0\uc740 \uac70\ub4ed\uc81c\uacf1\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \ud589\ub82c\uc774 \ubb34\uc5c7\uc778\uc9c0, <a href=\"https:\/\/mathority.org\/ko\/2x2-\u1106\u1175\u11be-3x3-\u1112\u1162\u11bc\u1105\u1167\u11af\u110b\u1174-\u1100\u1165\u1103\u1173\u11b8\u110c\u1166\u1100\u1169\u11b8-\u110b\u1168\u110c\u1166-\u1106\u1175\u11be-\u1112\u1162\u1100\u1167\u11af\u1103\u116c\u11ab-\u110b\u1167\u11ab\u1109\u1173\u11b8\u1106\u116e\u11ab\u110c\u1166\/\">\ud589\ub82c\uc758 \ud798\uc744<\/a> \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6b8 \uc218 \uc788\ub294 \ud398\uc774\uc9c0\ub97c \ub0a8\uaca8\ub4dc\ub9bd\ub2c8\ub2e4. \ud639\uc2dc \uad81\uae08\ud558\uc2e0\uac00\uc694?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\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 \uc2a4\uce7c\ub77c\uc640 \ud589\ub82c\uc758 \uacf1\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1 \ud558\ub824\uba74 \ud589\ub82c\uc758 \uac01 \uc694\uc18c\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\uc138\uc694. \uc608: \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubb38\uc81c \ud574\uacb0 \uc5f0\uc2b5 1: \ud574\uacb0\ucc45 \ubcf4\uae30 \uc774\ub294 \uc2a4\uce7c\ub77c\uc640 2\ucc28 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/2x2-%eb%b0%8f-3x3-%ed%96%89%eb%a0%ac-%ec%98%88%ec%a0%9c%ec%99%80-%ed%95%b4%ea%b2%b0%eb%90%9c-%ec%97%b0%ec%8a%b5%ec%9c%bc%eb%a1%9c-%ec%88%ab%ec%9e%90-%ea%b3%b1%ed%95%98%ea%b8%b0\/\"> <span class=\"screen-reader-text\">\uc22b\uc790\uc5d0 \ud589\ub82c \uacf1\ud558\uae30<\/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-283","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\uc5d0 \uc758\ud55c \uc22b\uc790\uc758 \uacf1\uc148 - 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\/2x2-\ubc0f-3x3-\ud589\ub82c-\uc608\uc81c\uc640-\ud574\uacb0\ub41c-\uc5f0\uc2b5\uc73c\ub85c-\uc22b\uc790-\uacf1\ud558\uae30\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud589\ub82c\uc5d0 \uc758\ud55c \uc22b\uc790\uc758 \uacf1\uc148 - Mathority\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\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 \uc2a4\uce7c\ub77c\uc640 \ud589\ub82c\uc758 \uacf1\uc758 \ubaa8\ub4e0 \uc18d\uc131\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1 \ud558\ub824\uba74 \ud589\ub82c\uc758 \uac01 \uc694\uc18c\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\uc138\uc694. \uc608: \uc22b\uc790\uc5d0 \ud589\ub82c\uc744 \uacf1\ud558\ub294 \ubb38\uc81c \ud574\uacb0 \uc5f0\uc2b5 1: \ud574\uacb0\ucc45 \ubcf4\uae30 \uc774\ub294 \uc2a4\uce7c\ub77c\uc640 2\ucc28 &hellip; \uc22b\uc790\uc5d0 \ud589\ub82c \uacf1\ud558\uae30 \ub354 \ubcf4\uae30 &raquo;\" \/>\n<meta property=\"og:url\" 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