{"id":5307,"date":"2025-01-02T18:00:21","date_gmt":"2025-01-02T09:00:21","guid":{"rendered":"https:\/\/torisetudy.com\/?p=5307"},"modified":"2026-07-16T10:38:53","modified_gmt":"2026-07-16T01:38:53","slug":"%e4%bd%8d%e7%bd%ae%e3%83%99%e3%82%af%e3%83%88%e3%83%ab","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=5307","title":{"rendered":"\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb\u3068\u306f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e73\u9762\u4e0a\u306b\uff0c1\u70b9 $\\rmO$ \u3092\u56fa\u5b9a\u3057\u3066\u8003\u3048\u308b\u3068\uff0c\u70b9 $\\rmP$ \u306e\u4f4d\u7f6e\u306f\uff0c\u30d9\u30af\u30c8\u30eb $\\vec{p}=\\vec{\\rmO\\rmP}$ \u306b\u3088\u3063\u3066\u5b9a\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3068\u304d\uff0c$\\vec{p}$ \u3092\uff08\u70b9 $\\rmO$ \u306b\u95a2\u3059\u308b\uff09\u70b9 $\\rmP$ \u306e<span class=\"st-mymarker-s\">\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb<\/span>\u3068\u3044\u3044\uff0c$\\rmP\\left(\\vec{p}\\right)$ \u3068\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u5f8c\uff0c$\\rmA\\left(\\vec{a}\\right)$ \u3084 $\\rmP\\left(\\vec{p}\\right)$ \u306a\u3069\u304c\u51fa\u3066\u304d\u305f\u3068\u304d\u306f\u300c\u3069\u3053\u304b\u306b\u57fa\u6e96\u3068\u306a\u308b\u70b9 $\\rmO$ \u304c\u3042\u3063\u3066\uff0c\u305d\u308c\u3092\u57fa\u6e96\u306b $\\vec{\\rmO\\rmA}$ \u3084 $\\vec{\\rmO\\rmP}$ \u304c\u4f5c\u3089\u308c\u308b\u3093\u3060\u306a\u300d\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb\u3068\u306f\uff0c\u3056\u3063\u304f\u308a\u8a00\u3044\u63db\u3048\u3066\u3057\u307e\u3048\u3070<span class=\"st-mymarker-s\">\u300c\u70b9\u3092\u8868\u3059\u30d9\u30af\u30c8\u30eb\u300d<\/span>\u3068\u8003\u3048\u3066\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"170\" height=\"123\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66202.svg\" alt=\"\" class=\"wp-image-5343\"\/><noscript><img decoding=\"async\" width=\"170\" height=\"123\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66202.svg\" alt=\"\" class=\"wp-image-5343\"\/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u70b9 $\\rmA\\left(\\vec{a}\\right)$\uff0c$\\rmB\\left(\\vec{b}\\right)$ \u306b\u5bfe\u3057\u3066\uff0c\u30d9\u30af\u30c8\u30eb $\\vec{\\rmA\\rmB}$ \u306f\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\vec{\\rmA\\rmB}=\\vec{b}-\\vec{a}$$\u3068\u3057\u3066\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5185\u5206\u70b9\u30fb\u5916\u5206\u70b9<\/h2>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u5148\uff0c\u7269\u7406\u306e\u300c\u91cd\u5fc3\u300d\u306e\u5358\u5143\u3092\u5b66\u7fd2\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u5185\u5bb9\u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u5206\u70b9\u306e\u8a08\u7b97<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2\u70b9 $\\rmA\\left(\\vec{a}\\right)$\uff0c$\\rmB\\left(\\vec{b}\\right)$ \u3092\u7d50\u3076\u7dda\u5206 $\\rmA\\rmB$\u3092 $m:n$ \u306b\u5185\u5206\u3059\u308b\u70b9 $\\rmP$ \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\vec{p}$ \u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"170\" height=\"170\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66203.svg\" alt=\"\" class=\"wp-image-5344\"\/><noscript><img decoding=\"async\" width=\"170\" height=\"170\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66203.svg\" alt=\"\" class=\"wp-image-5344\"\/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56f3\u3088\u308a\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\vec{\\rmA\\rmP}=\\bun{m}{m+n}\\vec{\\rmA\\rmB}=\\bun{m}{m+n}\\left(\\vec{\\rmO\\rmB}-\\vec{\\rmO\\rmA}\\right)$$\u3068\u8868\u305b\u308b\u306e\u3067\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\begin{aligned} \\vec{\\rmO\\rmP}&amp;=\\vec{\\rmO\\rmA}+\\vec{\\rmA\\rmP}\\\\ &amp;=\\vec{\\rmO\\rmA}+\\bun{m}{m+n}\\left(\\vec{\\rmO\\rmB}-\\vec{\\rmO\\rmA}\\right)\\\\ &amp;=\\left(1-\\bun{m}{m+n}\\right)\\vec{\\rmO\\rmA}+\\bun{m}{m+n}\\vec{\\rmO\\rmB}\\\\ &amp;=\\bun{n}{m+n}\\vec{\\rmO\\rmA}+\\bun{m}{m+n}\\vec{\\rmO\\rmB} \\end{aligned}$$\u3068\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\vec{p}=\\bun{n\\vec{a}+m\\vec{b}}{m+n}$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u5206\u70b9\u306e\u8a08\u7b97<\/h3>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p class=\"wp-block-paragraph\">\u8003\u3048\u65b9\u306f\u5185\u5206\u3068\u4e00\u7dd2\u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7dda\u5206 $\\rmA\\rmB$ \u3092 $m:n$ \u306b\u5916\u5206\u3059\u308b\u70b9 $\\rmQ$ \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\vec{q}$ \u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"178\" height=\"177\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66204.svg\" alt=\"\" class=\"wp-image-5345\"\/><noscript><img decoding=\"async\" width=\"178\" height=\"177\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66204.svg\" alt=\"\" class=\"wp-image-5345\"\/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56f3\u304b\u3089\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\vec{\\rmA\\rmQ}=\\bun{m}{m-n}\\vec{\\rmA\\rmB}=\\bun{m}{m-n}\\left(\\vec{\\rmO\\rmB}-\\vec{\\rmO\\rmA}\\right)$$\u3068\u8868\u305b\u308b\u306e\u3067\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\begin{aligned} \\vec{\\rmO\\rmQ}&amp;=\\vec{\\rmO\\rmA}+\\vec{\\rmA\\rmQ}\\\\ &amp;=\\vec{\\rmO\\rmA}+\\bun{m}{m-n}\\left(\\vec{\\rmO\\rmB}-\\vec{\\rmO\\rmA}\\right)\\\\ &amp;=\\left(1-\\bun{m}{m-n}\\right)\\vec{\\rmO\\rmA}+\\bun{m}{m-n}\\vec{\\rmO\\rmB}\\\\ &amp;=\\bun{-n}{m-n}\\vec{\\rmO\\rmA}+\\bun{m}{m-n}\\vec{\\rmO\\rmB} \\end{aligned}$$\u3068\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\vec{q}=\\bun{-n\\vec{a}+m\\vec{b}}{m+(-n)}$$\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u5185\u5206\u70b9\u30fb\u5916\u5206\u70b9<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1 wp-block-paragraph\">2\u70b9 $\\rmA\\left(\\vec{a}\\right)$\uff0c$\\rmB\\left(\\vec{b}\\right)$ \u306b\u304a\u3044\u3066\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $m:n$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3092 $\\rmP$\uff0c\u5916\u5206\u3059\u308b\u70b9\u3092 $\\rmQ$\u3068\u3059\u308b\u3068\uff0c\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\rmP\\left(\\vec{p}\\right)$\uff0c$\\rmQ\\left(\\vec{q}\\right)$ \u306f\uff0c<\/p>\n\n\n\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1 wp-block-paragraph\">$$\\vec{p}=\\bun{n\\vec{a}+m\\vec{b}}{m+n},\\ \\vec{q}=\\bun{-n\\vec{a}+m\\vec{b}}{m+(-n)}$$\u3068\u3057\u3066\u4e0e\u3048\u3089\u308c\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e2d\u70b9\u306e\u8868\u8a18<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u5206\u70b9\u306e\u516c\u5f0f\u3088\u308a\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u306e\u4e2d\u70b9 $\\rmM$ \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\vec{m}$ \u306f\uff0c$\\vec{m}=\\Bun{\\vec{a}+\\vec{b}}{2}$ \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u91cd\u5fc3\u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u5fc3\u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3\u70b9 $\\rmA\\left(\\vec{a}\\right)$\uff0c$\\rmB\\left(\\vec{b}\\right)$\uff0c$\\rmC\\left(\\vec{c}\\right)$ \u3092\u9802\u70b9\u3068\u3059\u308b $\\triangle\\rmA\\rmB\\rmC$ \u306b\u304a\u3044\u3066\uff0c\u305d\u306e\u91cd\u5fc3 $\\rmG$ \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\vec{g}$ \u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"186\" height=\"140\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66205.svg\" alt=\"\" class=\"wp-image-5346\"\/><noscript><img decoding=\"async\" width=\"186\" height=\"140\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66205.svg\" alt=\"\" class=\"wp-image-5346\"\/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fba $\\rmB\\rmC$ \u306e\u4e2d\u70b9 $\\rmM$ \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\vec{m}$ \u306f\uff0c$\\vec{m}=\\Bun{\\vec{b}+\\vec{c}}{2}$ \u3088\u308a\uff0c$2\\vec{m}=\\vec{b}+\\vec{c}$ \u3068\u8868\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u5fc3 $\\rmG$ \u306f\u4e2d\u7dda $\\rmA\\rmM$ \u3092 $2:1$ \u306b\u5185\u5206\u3059\u308b\u70b9\u306a\u306e\u3067\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$\\vec{g}=\\bun{\\vec{a}+2\\vec{m}}{2+1}=\\bun{\\vec{a}+\\vec{b}+\\vec{c}}{3}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p class=\"wp-block-paragraph\">\u899a\u3048\u3084\u3059\u3044\u304d\u308c\u3044\u306a\u5f62\uff01<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u91cd\u5fc3<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1 wp-block-paragraph\">3\u70b9 $\\rmA\\left(\\vec{a}\\right)$\uff0c$\\rmB\\left(\\vec{b}\\right)$\uff0c$\\rmC\\left(\\vec{c}\\right)$ \u3092\u9802\u70b9\u3068\u3059\u308b $\\triangle\\rmA\\rmB\\rmC$ \u306e\u91cd\u5fc3 $\\rmG$ \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb $\\vec{g}$ \u306f\uff0c<\/p>\n\n\n\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1 wp-block-paragraph\">$$\\vec{g}=\\bun{\\vec{a}+\\vec{b}+\\vec{c}}{3}$$\u3068\u8868\u3055\u308c\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle wp-block-paragraph\">$\\vec{a}=(x_1,\\,y_1)$\uff0c$\\vec{b}=(x_2,\\,y_2)$\uff0c$\\vec{c}=(x_3,\\,y_3)$ \u3068\uff0c\u30d9\u30af\u30c8\u30eb\u3092\u6210\u5206\u8868\u793a\u3057\u305f\u3068\u304d\u306f\uff0c<\/p>\n\n\n\n<p class=\"has-st-icon has-st-icon-exclamation-circle 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