{"id":9043,"date":"2010-04-30T13:19:00","date_gmt":"2010-04-30T13:19:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=9043"},"modified":"2010-04-30T13:19:00","modified_gmt":"2010-04-30T13:19:00","slug":"%eb%8a%98%ec%96%b4%eb%86%93%ea%b8%b0-2","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=9043","title":{"rendered":"\ub298\uc5b4\ub193\uae30 2"},"content":{"rendered":"<div class=\"desc\">\n<span style=\"font-size: 9pt;\"><br \/>\n         \uc4f0\ub358\uac74 \ub2e4 \uc4f0\ub2e4 \uac00\uc57c\uc9c0. \uc608\uc81c\ub97c \uc798\ubabb \ub4dc\ub294 \ubc14\ub78c\uc5d0 \uc124\uba85\uc774 \uc0b0\uc73c\ub85c \uac00\uac8c \ub418\uc5c8\uc9c0\ub9cc \uc4f4\uac74 \uc4f4\uac70\ub2c8\uae4c \uc77c\ub2e8 \uacc4\uc18d \uac04\ub2e4.<br \/>\n        <\/span><\/p>\n<p><span style=\"font-size: 9pt;\"><br \/>\n         \uc55e\uc5d0\uc11c, 100\uc6d0\uc9dc\ub9ac n\uac1c\uc640 500\uc6d0\uc9dc\ub9ac m\uac1c\ub85c 1000000\uc6d0\uc744 \uc9c0\ubd88\ud558\ub294 \ubc29\ubc95\uc758 \uc218\uac00 \uba87\uac00\uc9c0\uc778\uac00\ub97c \ubb3c\uc5b4\ubd24\uc5c8\ub2e4. \uc77c\ub2e8 \uc774 \ubb38\uc81c\ub97c \uc798 \ud480\uc5b4\ubcf4\uc790. (\uc0ac\uc2e4 \uc55e\uc5d0\uc11c &#8220;\ubb3c\ub9ac&#8221;\uc5d0 \ub4e4\uc5b4\uac00 \uc788\ub358<br \/>\n        <\/span><br \/>\n<a href=\"http:\/\/snowall.tistory.com\/1236\" target=\"_blank\" title=\"[http:\/\/snowall.tistory.com\/1236]\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n          &#8220;\ub9c8\ubc95\uc758 \ubd84\ubc30\ud568\uc218&#8221;<br \/>\n         <\/span><br \/>\n<\/a><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n         \uae00\uacfc \ub0b4\uc6a9\uc774 \uacb9\uce5c\ub2e4.)<br \/>\n        <\/span><\/p>\n<p><span style=\"font-size: 9pt;\"><br \/>\n         \uc5b4\uca0c\ub4e0, 500\uc6d0\uc9dc\ub9ac\ub85c 1000000\uc6d0\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 2000\uac1c\uac00 \ud544\uc694\ud558\ub2e4. \uadf8\ub7fc, 500\uc6d0\uc9dc\ub9ac m\uac1c\uac00 \uc788\uc73c\uba74, 100\uc6d0\uc740 \uba87\uac1c\ub098 \ud544\uc694\ud560\uae4c?<br \/>\n        <\/span><\/p>\n<p><span style=\"font-size: 9pt;\"><br \/>\n         \uac04\ub2e8\ud55c \uc0b0\uc218\ub97c \ud574\ubcf4\uba74 n=(100000-500m)\/100 \uc774\ub2e4. \uc544\ubb34\ud2bc, \uc911\uc694\ud55c\uac74 n\uac1c\uc640 m\uac1c\uac00 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4.<br \/>\n        <\/span><\/p>\n<p><span style=\"font-size: 9pt;\"><br \/>\n         n\uac1c\uc640 m\uac1c\ub97c \ubaa8\ub450 \ud569\uccd0\uc11c, \uc804\uccb4\ub97c \ub298\uc5b4\ub193\ub294 \ubc29\ubc95\uc758 \uc218\ub294 \ubb34\ub824 (n+m)!\uac1c\uc774\ub2e4. \ud558\uc9c0\ub9cc, \uadf8\uc911\uc5d0 n\uac1c\uac00 \uc911\ubcf5\ub41c\ub2e4. n\uac1c \ub07c\ub9ac\ub294 \uc11c\ub85c \ubc14\uafb8\ub354\ub77c\ub3c4 \uc0c1\uad00\uc774 \uc5c6\uae30 \ub54c\ubb38\uc5d0, n\uac1c\ub07c\ub9ac \uc11c\ub85c \ubc14\uafb8\ub294 \uacbd\uc6b0\uc758 \uc218\ub294 \uc138\uba74 \uc548\ub41c\ub2e4. \ubc18\ub300\ub85c m\uac1c\ub3c4 \uc11c\ub85c \uc911\ubcf5\ub41c\ub2e4. \ub530\ub77c\uc11c, \uc774 \uacbd\uc6b0\uc758 \uc218\ub3c4 \uc138\uba74 \uc548\ub41c\ub2e4. \uc798 \uc0dd\uac01\ud574 \ubcf4\uba74, \uadf8\ub7f0 \uacbd\uc6b0\uc758 \uc218\ub97c \uc138\uc9c0 \uc54a\uae30 \uc704\ud574\uc11c\ub294 \uac01 \uacbd\uc6b0\uc758 \uc218\ub85c \ub098\ub220 \uc918\uc57c \ud55c\ub2e4\ub294 \uac78 \uc54c \uc218 \uc788\ub2e4.<br \/>\n        <\/span><br \/>\n<br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n         \uc989, (n+m)! \/ (n! m!) \uac00\uc9c0\uc758 \uacbd\uc6b0\uac00 \uc788\ub2e4. (\uc774\uac8c \uc65c \ub9de\ub294\uc9c0\ub294 100\uc6d0\uc9dc\ub9ac 2\uac1c, 500\uc6d0\uc9dc\ub9ac 0\uac1c\ub97c \ub193\uace0 \uace0\ubbfc\ud574\ubcf4\uba74 \ub41c\ub2e4. \uadf8\ub798\ub3c4 \uc774\ud574\uac00 \uc548\ub418\uba74 \uc9d1\uc5d0 \uc788\ub294 \uc800\uae08\ud1b5\uc744 \ud0c8\ud0c8 \ud138\uc5b4\uc11c \uc0dd\uac01\ud574 \ubcf4\uc790. -_-;; \uc5b8\uc820\uac00 \uadf8\ub9bc\uc774 \ucd94\uac00\ub420 \uc218\ub3c4 \uc788\ub2e4.)<br \/>\n        <\/span><\/p>\n<p><span style=\"font-size: 9pt;\"><br \/>\n         \uc774\uc81c, \uc21c\uc5f4\ub300\uce6d\uad70\uc5d0 \ub300\ud574\uc11c \uc0dd\uac01\ud574 \ubcf4\uc790. \uc9c0\uae08\uae4c\uc9c0 \ub9d0\ud55c\uac74 \ubb50\ub0d0 \ud558\ub294 \uc0ac\ub78c\ub3c4 \uc788\uaca0\uc9c0\ub9cc, \uc5f0\uc2b5\ubb38\uc81c\uc600\ub2e4.<br \/>\n        <\/span><\/p>\n<p><span style=\"font-size: 9pt;\"><br \/>\n         (a, b)\uac00 \uc788\ub2e4\uace0 \ud558\uc790. \uc774\uac78 \ub298\uc5b4\ub193\ub294 \ubc29\ubc95\uc758 \uc218\ub294 \uc5b4\ub5bb\uac8c \ub420\uae4c? \ub2f9\uc5f0\ud788 2\uac00\uc9c0\ub2e4. (a, b)\uc640 (b, a)\uac00 \ub41c\ub2e4. \uadf8\ub7fc, \uc774\uac83\uc744 \uc774\ub807\uac8c \uc4f8 \uc218 \uc788\ub2e4. ({a, a}, {b, b})\uc640 ({a, b}, {b, a})\ub77c\uace0 \uc368\ubcf4\uc790. {x, y}\ub294 x\ub97c y\ub85c \ubc14\uafbc\ub2e4\ub294 \ub73b\uc774\ub2e4. \uc5ec\uae30\uc11c, &#8220;\ubc14\uafbc\ub2e4&#8221;\ub77c\ub294 \ub3d9\uc0ac\uac00 \ub4e4\uc5b4\uac14\uc74c\uc5d0 \uc720\uc758\ud558\uc790. \uc601\uc5b4\ub85c\ub294 \uc774\uac83\uc744 Operation\uc774\ub77c\uace0 \ud55c\ub2e4. \uadf8\ub7f0\ub370, \uc0ac\uc2e4 \uc55e\uc5d0 \uc788\ub294 a\uc640 b\ub294 \uc5b4\ucc28\ud53c \uc21c\uc11c\ub300\ub85c \uc4f8 \uac83\uc774\uae30 \ub54c\ubb38\uc5d0, \uc774\uc81c\ubd80\ud130\ub294 \uadf8\ub0e5 (a, b)\uc640 (b, a)\ub77c\uace0 \uadf8\ub0e5 \uc4f0\uc790. \ud558\uc9c0\ub9cc, \uc5ec\uae30\uc11c \uc5c4\uccad\ub09c \ubcc0\ud654\uac00 \uc0dd\uae30\uac8c \ub41c\ub2e4. \uc774\uc81c, &#8220;\ubc14\uafbc\ub2e4&#8221;\ub77c\ub294 \uac83\uc744 \uc5ec\ub7ec\ubc88 \ud560 \uc218 \uc788\uac8c \ub41c \uac83\uc774\ub2e4. \uac00\ub839 (a, b)\ub97c \ub450\ubc88 \uc801\uc6a9\ud560 \uc218 \uc788\ub2e4. \ubb3c\ub860 \uc5ec\uae30\uc11c \uc774\uac83\uc740 \uc544\ubb34\uac83\ub3c4 \ubc14\uafb8\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \ub450\ubc88\uc744 \uc801\uc6a9\ud558\ub4e0 \uc138\ubc88\uc744 \uc801\uc6a9\ud558\ub4e0 \uadf8\ub0e5 \uadf8\ub300\ub85c \ub194\ub450\ub294 \uac83\uc774 \ub41c\ub2e4.<br \/>\n        <\/span><\/p>\n<p><meta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"><br \/>\n<meta content=\"Word.Document\" name=\"ProgId\"><br \/>\n<meta content=\"Microsoft Word 12\" name=\"Generator\"><br \/>\n<meta content=\"Microsoft Word 12\" name=\"Originator\">\n<link href=\"file:\/\/\/C:%5CUsers%5Csnowall%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_filelist.xml\" rel=\"File-List\">\n<link href=\"file:\/\/\/C:%5CUsers%5Csnowall%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_themedata.thmx\" rel=\"themeData\">\n<link href=\"file:\/\/\/C:%5CUsers%5Csnowall%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_colorschememapping.xml\" rel=\"colorSchemeMapping\">\n<!--[if 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SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light List Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"62\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Grid Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"63\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 1 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"64\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 2 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"65\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 1 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"66\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 2 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"67\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 1 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"68\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 2 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"69\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 3 Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"70\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Dark List Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"71\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Shading Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"72\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful List Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"73\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Grid Accent 3\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"60\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Shading Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"61\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light List Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"62\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Grid Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"63\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 1 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"64\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 2 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"65\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 1 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"66\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 2 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"67\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 1 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"68\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 2 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"69\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 3 Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"70\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Dark List Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"71\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Shading Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"72\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful List Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"73\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Grid Accent 4\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"60\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Shading Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"61\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light List Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"62\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Grid Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"63\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 1 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"64\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 2 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"65\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 1 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"66\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 2 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"67\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 1 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"68\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 2 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"69\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 3 Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"70\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Dark List Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"71\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Shading Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"72\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful List Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"73\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Grid Accent 5\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"60\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Shading Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"61\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light List Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"62\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Light Grid Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"63\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 1 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"64\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Shading 2 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"65\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 1 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"66\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium List 2 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"67\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 1 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"68\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 2 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"69\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Medium Grid 3 Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"70\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Dark List Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"71\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Shading Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"72\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful List Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"73\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" Name=\"Colorful Grid Accent 6\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"19\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" QFormat=\"true\" Name=\"Subtle Emphasis\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"21\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" QFormat=\"true\" Name=\"Intense Emphasis\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"31\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" QFormat=\"true\" Name=\"Subtle Reference\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"32\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" QFormat=\"true\" Name=\"Intense Reference\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"33\" SemiHidden=\"false\"\n   UnhideWhenUsed=\"false\" QFormat=\"true\" Name=\"Book Title\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"37\" Name=\"Bibliography\"\/>\n  <w:LsdException Locked=\"false\" Priority=\"39\" QFormat=\"true\" Name=\"TOC Heading\"\/>\n <\/w:LatentStyles>\n<\/xml><![endif]--><\/p>\n<style>\n                <span style=\"font-size: 9pt;\">\n<!--\n \/* Font Definitions *\/\n @font-face\n\t{font-family:\"Cambria Math\";\n\tpanose-1:2 4 5 3 5 4 6 3 2 4;\n\tmso-font-charset:1;\n\tmso-generic-font-family:roman;\n\tmso-font-format:other;\n\tmso-font-pitch:variable;\n\tmso-font-signature:0 0 0 0 0 0;}\n@font-face\n\t{font-family:\"\ub9d1\uc740 \uace0\ub515\";\n\tpanose-1:2 11 5 3 2 0 0 2 0 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l0\n\t{mso-list-id:1389836684;\n\tmso-list-type:hybrid;\n\tmso-list-template-ids:368981990 1582966272 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}\n@list l0:level1\n\t{mso-level-tab-stop:none;\n\tmso-level-number-position:left;\n\tmargin-left:38.0pt;\n\ttext-indent:-18.0pt;}\nol\n\t{margin-bottom:0cm;}\nul\n\t{margin-bottom:0cm;}\n-->\n<\/span>\n               <\/style>\n<p><!--[if gte mso 10]>\n\n\n<style>\n \/* Style Definitions *\/\n table.MsoNormalTable\n\t{mso-style-name:\"\ud45c\uc900 \ud45c\";\n\tmso-tstyle-rowband-size:0;\n\tmso-tstyle-colband-size:0;\n\tmso-style-noshow:yes;\n\tmso-style-priority:99;\n\tmso-style-qformat:yes;\n\tmso-style-parent:\"\";\n\tmso-padding-alt:0cm 5.4pt 0cm 5.4pt;\n\tmso-para-margin:0cm;\n\tmso-para-margin-bottom:.0001pt;\n\tmso-pagination:widow-orphan;\n\tfont-size:10.0pt;\n\tmso-bidi-font-size:11.0pt;\n\tfont-family:\"\ub9d1\uc740 \uace0\ub515\";\n\tmso-ascii-font-family:\"\ub9d1\uc740 \uace0\ub515\";\n\tmso-ascii-theme-font:minor-latin;\n\tmso-fareast-font-family:\"\ub9d1\uc740 \uace0\ub515\";\n\tmso-fareast-theme-font:minor-fareast;\n\tmso-hansi-font-family:\"\ub9d1\uc740 \uace0\ub515\";\n\tmso-hansi-theme-font:minor-latin;\n\tmso-font-kerning:1.0pt;}\n<\/style>\n\n\n<![endif]--><\/p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\uc81c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5ec\uae30\uc11c\ubd80\ud130<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc21c\uc5f4\uc744<br \/>\n\uad70\uc758 \ud55c \uc885\ub958\ub85c \uc0dd\uac01\ud574\ubcfc \uc218 \uc788\ub2e4\ub294 \uc810\uc744 \uc54c \uc218 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n<span lang=\"EN-US\"><br \/>\n<o:p><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n<\/span><br \/>\n<\/o:p><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uad70<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (Group)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ub780 \ub2e4\uc74c\uacfc \uac19\uc740 \uc7ac\ubbf8\uc788\ub294 \uc131\uc9c8\uc744 \uac00\uc9c4 \uc5b4\ub5a4 \uc9d1\ud569\uc744<br \/>\n\ub9d0\ud55c\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoListParagraph\" style=\"margin-left: 38pt; text-indent: -18pt;\">\n<!--[if !supportLists]--><br \/>\n<span lang=\"EN-US\" style=\"\"><br \/>\n<span style=\"\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                   1.<br \/>\n                  <\/span><br \/>\n<span style='font: 7pt \"Times New Roman\";'><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<!--[endif]--><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ud56d\uc5f0\uc0b0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (Binary operation)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774 \uc798<br \/>\n\uc815\uc758\ub41c\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc989<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5b4\ub5a4 \uad70<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  G<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \uc788\uc744 \ub54c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774 \uad70\uc758 \uc6d0\uc18c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  a, b<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \uc788\ub2e4\uace0<br \/>\n\ud558\uace0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ud56d\uc5f0\uc0b0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ?<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \uc788\ub2e4\uace0 \ud558\uba74<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , a?b<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \ub2e4\uc2dc \uad70<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  G<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc758 \uc6d0\uc18c\uc774\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774 \ub9d0\uc740<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , a, b<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub97c \uc54c\ub824\uc8fc\uba74 \uadf8\uac78 \uac16\uace0 \uc774\ud56d\uc5f0\uc0b0\uc744 \ud55c \ud6c4\uc5d0 \uc5b4\ub5a4 \uc6d0\uc18c\uac00 \ub418\ub294\uc9c0 \uc54c\ub824\uc8fc\ub294<br \/>\n\uaddc\uce59\uc744 \uc798 \ucc3e\uc544\ub0bc \uc218 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoListParagraph\" style=\"margin-left: 38pt; text-indent: -18pt;\">\n<!--[if !supportLists]--><br \/>\n<span lang=\"EN-US\" style=\"\"><br \/>\n<span style=\"\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                   2.<br \/>\n                  <\/span><br \/>\n<span style='font: 7pt \"Times New Roman\";'><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<!--[endif]--><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ud56d\uc5f0\uc0b0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ?<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \uc788\uc73c\uba74<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc784\uc758\uc758 \uc6d0\uc18c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  a<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5d0 \ub300\ud574\uc11c \ud56d\ub4f1\uc6d0\uc774 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc989<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , a?e = e?a = a<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc778 \uc6d0\uc18c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  e<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoListParagraph\" style=\"margin-left: 38pt; text-indent: -18pt;\">\n<!--[if !supportLists]--><br \/>\n<span lang=\"EN-US\" style=\"\"><br \/>\n<span style=\"\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                   3.<br \/>\n                  <\/span><br \/>\n<span style='font: 7pt \"Times New Roman\";'><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/span><br \/>\n<!--[endif]--><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ud56d\uc5f0\uc0b0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ?<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \uc788\uc73c\uba74<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc784\uc758\uc758 \uc6d0\uc18c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  a<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5d0 \ub300\ud574\uc11c \uadf8 \uc5ed\uc6d0\uc774 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc989<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ud56d\ub4f1\uc6d0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  e<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5d0 \ub300\ud574\uc11c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  a?b = b?a = e<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \ub418\ub294 \uc6d0\uc18c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  b<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00 \ud56d\uc0c1 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ub54c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , b = -a<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub77c\uace0 \uc4f4\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  . (<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ud754\ud788\ub4e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .)<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ub7f0 \uc138\uac00\uc9c0 \uaddc\uce59\uc744 \ub9cc\uc871\ud558\ub294 \uc9d1\ud569\uc744 \uad70\uc774\ub77c\uace0 \ubd80\ub978\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc21c\uc5f4\uc774 \uc65c \uad70\uc774<br \/>\n\ub418\ub294\uc9c0 \uac80\ud1a0\ud574 \ubcf4\uc790<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00\ub839<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , (a, b)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub97c \ubc14\uafb8\ub294 \uc5f0\uc0b0\uc744 \ubaa8\uc544\ub193\ub294\ub2e4\uace0 \ud558\uba74<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , (a, b)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub97c \uadf8\ub300\ub85c \ub194\ub450\ub294 \uac83<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (e)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774 \ud558\ub098 \uc788\uace0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , (b, a)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub85c \ubc14\uafb8\ub294 \uac83<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (x)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774 \ud558\ub098 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5ec\uae30\uc5d0 \ub300\ud574\uc11c \uc774\ud56d\uc5f0\uc0b0\uc774\ub780<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ub7f0 \uc791\uc6a9\ub4e4\uc744 \uc5f0\uc18d\uc73c\ub85c \uc791\uc6a9\ud558\ub294 \uac83\uc744<br \/>\n\ub9d0\ud55c\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac00\ub839<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , x?e<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub77c\uace0 \ud558\uba74<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  e<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub97c \uba3c\uc800 \uc791\uc6a9\ud558\uace0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  x<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub97c \uc791\uc6a9\ud55c\ub2e4\ub294 \ub73b\uc774\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\uac83\uc740 \uc798 \uc815\uc758\ub418\ub294 \uc774\ud56d\uc5f0\uc0b0\uc778\ub370<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , (a, b)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5d0 \ub300\ud574\uc11c \ubc14\uafd4\uc8fc\ub294<br \/>\n\uac83\ub4e4\uc740 \uc5b4\ub5bb\uac8c \ubc14\uafd4\uc8fc\ub354\ub77c\ub3c4 \ud558\ub098\uc758 \uc21c\uc5f4\uc744 \uc801\uc6a9\ud55c \uac83\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc6d0\uc18c\uc758 \uc218\uac00 \ub298\uc5b4\ub098\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc774\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  . (a, b, c, d)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub97c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (c, a, d, b)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub85c \ubc14\uafd4\uc8fc\ub294 \uc791\uc6a9\uacfc<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (a, c, d, b)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ub85c \ubc14\uafd4\uc8fc\ub294 \uc791\uc6a9\uc744 \uc5f0\uc18d\uc801\uc73c\ub85c \uc791\uc6a9\uc2dc\ud0a4\uba74<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uadf8<br \/>\n\uacb0\uacfc\ubb3c \uc5ed\uc2dc \ud55c\ubc88\uc5d0 \ubc14\uafd4\uc8fc\ub294 \uc791\uc6a9\uc758 \ud558\ub098\uc5d0 \uc18d\ud55c\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  . (<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc9c1\uc811 \ud574\ubcf4\uc790<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc808\ub300<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uadc0\ucc2e\uc544\uc11c \uc2dc\ud0a4\ub294\uac70 \uc544\ub2d8<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .)<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n<span lang=\"EN-US\"><br \/>\n<o:p><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n<\/span><br \/>\n<\/o:p><br \/>\n<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ub7f0 \ub298\uc5b4\ub193\ub294 \ub300\uce6d\uc131\uc744<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  , n<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac1c\uc758 \uc6d0\uc18c\uc5d0 \ub300\ud574\uc11c \ub298\uc5b4\ub193\ub294 \uac83\ub4e4\uc5d0 \ub300\ud55c<br \/>\n\ub300\uce6d\uc131\uc744<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  $S_n$<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc774\ub77c\uace0 \ubd80\ub978\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uadf8\ub7fc<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc5ec\uae30\uc11c<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  $S_n$<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc740 \ub2e4\uc2dc \uc6b0\uc21c\uc5f4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (Even<br \/>\npermutation)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uacfc \uae30\uc21c\uc5f4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  (Odd permutation)<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc73c\ub85c \ub098\ub20c \uc218 \uc788\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ud55c\ubc88\uc5d0<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  2<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uac1c\uc529\ub9cc \ubc14\uafb8\ub294 \ud589\ub3d9\uc744 \uc5ec\ub7ec \ubc88 \ubc18\ubcf5\ud574\uc11c \ubaa8\ub4e0 \uc21c\uc5f4\uc744 \uc5bb\uc744<br \/>\n\uc218 \uc788\ub294\ub370<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uadf8\uc911 \uc9dd\uc218\ubc88 \ubc18\ubcf5\ud574\uc11c \uc5bb\uc744 \uc218 \uc788\ub294 \uac83\ub4e4\uc740 \uc6b0\uc21c\uc5f4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  ,<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ud640\uc218\ubc88<br \/>\n\ubc18\ubcf5\ud574\uc11c \uc5bb\uc744 \uc218 \uc788\ub294 \uac83\ub4e4\uc740 \uae30\uc21c\uc5f4\uc774 \ub41c\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \ubb3c\ub860 \uc774 \ub450 \uc9d1\ud569\uc740<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  $S_n$<br \/>\n                 <\/span><br \/>\n<\/span><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                 \uc744 \uc815\ud655\ud788 \ubc18\uc73c\ub85c \ub098\ub208\ub2e4<br \/>\n                <\/span><br \/>\n<span lang=\"EN-US\"><br \/>\n<span style=\"font-size: 9pt;\"><br \/>\n                  .<br \/>\n                 <\/span><br \/>\n<\/span>\n<\/p>\n<p>\n               \uac00\ub839, (a, b, c, d)\ub97c \ud55c\ubc88\uc5d0 2\uac1c\uc529\ub9cc \ubc14\uafd4\uc11c (d, b, a, c)\ub97c \ub9cc\ub4e4\ub824\uba74, (a, b, c, d)->(a, b, d, c)->(d, b, a, c)\uac00 \ub41c\ub2e4. 3\ubc88 \ubc14\uafd4\uc11c \ub9cc\ub4e4\uc5b4\uc57c \ud558\ubbc0\ub85c (d, b, a, c)\ub294 \uae30\uc21c\uc5f4\uc774\ub2e4.<\/p>\n<p>               \uc0ac\uc2e4, \uc6b0\uc21c\uc5f4\ub4e4\ub9cc \ub2e4 \ubaa8\uc544\ub450\uba74 \uadf8\uac83\uc740 \ub610\ud55c \ub2e4\uc2dc \uad70\uc744 \uc774\ub8ec\ub2e4. \uc774\ub7f0\uac83\uc744 \ubd80\ubd84\uad70\uc774\ub77c\uace0 \ud558\ub294\ub370, \uc5b4\ub5a4 \uad70\uc758 \ubd80\ubd84\uc9d1\ud569\uc774 \ub2e4\uc2dc \uadf8 \uc790\uccb4\ub85c \uad70\uc774 \ub418\ub294 \uacbd\uc6b0\uc774\ub2e4.<br \/>\n               <\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=1869\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/link>\n<\/link>\n<\/link>\n<\/meta><br \/>\n<\/meta><br \/>\n<\/meta><br \/>\n<\/meta>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc4f0\ub358\uac74 \ub2e4 \uc4f0\ub2e4 \uac00\uc57c\uc9c0. \uc608\uc81c\ub97c \uc798\ubabb \ub4dc\ub294 \ubc14\ub78c\uc5d0 \uc124\uba85\uc774 \uc0b0\uc73c\ub85c \uac00\uac8c \ub418\uc5c8\uc9c0\ub9cc \uc4f4\uac74 \uc4f4\uac70\ub2c8\uae4c \uc77c\ub2e8 \uacc4\uc18d \uac04\ub2e4. \uc55e\uc5d0\uc11c, 100\uc6d0\uc9dc\ub9ac n\uac1c\uc640 500\uc6d0\uc9dc\ub9ac m\uac1c\ub85c 1000000\uc6d0\uc744 \uc9c0\ubd88\ud558\ub294 \ubc29\ubc95\uc758 \uc218\uac00 \uba87\uac00\uc9c0\uc778\uac00\ub97c \ubb3c\uc5b4\ubd24\uc5c8\ub2e4. \uc77c\ub2e8 \uc774 \ubb38\uc81c\ub97c \uc798 \ud480\uc5b4\ubcf4\uc790. (\uc0ac\uc2e4 \uc55e\uc5d0\uc11c &#8220;\ubb3c\ub9ac&#8221;\uc5d0 \ub4e4\uc5b4\uac00 \uc788\ub358 &#8220;\ub9c8\ubc95\uc758 \ubd84\ubc30\ud568\uc218&#8221; \uae00\uacfc \ub0b4\uc6a9\uc774 \uacb9\uce5c\ub2e4.) \uc5b4\uca0c\ub4e0, 500\uc6d0\uc9dc\ub9ac\ub85c 1000000\uc6d0\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 2000\uac1c\uac00 \ud544\uc694\ud558\ub2e4. \uadf8\ub7fc, 500\uc6d0\uc9dc\ub9ac m\uac1c\uac00 \uc788\uc73c\uba74, 100\uc6d0\uc740 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-9043","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2lR","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/9043","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9043"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/9043\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9043"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}