{"id":5988,"date":"2018-07-31T15:44:55","date_gmt":"2018-07-31T15:44:55","guid":{"rendered":"http:\/\/club.informatix.co.jp\/?p=5988"},"modified":"2025-04-28T16:41:03","modified_gmt":"2025-04-28T07:41:03","slug":"%e4%ba%ba%e3%81%a8%e6%98%9f%e3%81%a8%e3%81%a8%e3%82%82%e3%81%ab%e3%81%82%e3%82%8b%e6%95%b0%e5%ad%a6%e3%80%80%e7%ac%ac30%e5%9b%9e","status":"publish","type":"post","link":"https:\/\/club.informatix.co.jp\/?p=5988","title":{"rendered":"\u30da\u30f3\u30bf\u30b4\u30f3\u306e\u79d8\u5bc6\uff5c\u6b63\u4e94\u89d2\u5f62\u306e\u8b0e\u3092\u89e3\u304f"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5991 aligncenter\" src=\"http:\/\/club.informatix.co.jp\/wp-content\/uploads\/sites\/2\/2018\/07\/20180730_1.jpg\" alt=\"20180730_1\" width=\"700\" height=\"245\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69f2981f7f26b\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69f2981f7f26b\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/club.informatix.co.jp\/?p=5988\/#%E3%83%9A%E3%83%B3%E3%82%BF%E3%82%B4%E3%83%B3%E3%81%A8%E3%81%AF\" >\u30da\u30f3\u30bf\u30b4\u30f3\u3068\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/club.informatix.co.jp\/?p=5988\/#%E8%A7%92%E5%BA%A6\" >\u89d2\u5ea6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/club.informatix.co.jp\/?p=5988\/#%E5%BD%A2%E7%8A%B6\" >\u5f62\u72b6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/club.informatix.co.jp\/?p=5988\/#%E6%AF%94%E7%8E%87\" >\u6bd4\u7387<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/club.informatix.co.jp\/?p=5988\/#%E9%BB%84%E9%87%91%E6%AF%94\" >\u9ec4\u91d1\u6bd4<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"%E3%83%9A%E3%83%B3%E3%82%BF%E3%82%B4%E3%83%B3%E3%81%A8%E3%81%AF\"><\/span>\u30da\u30f3\u30bf\u30b4\u30f3\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30da\u30f3\u30bf\u30b4\u30f3\u3068\u306f\u6b63\u4e94\u89d2\u5f62\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u7c73\u56fd\u56fd\u9632\u7dcf\u7701\u306f\u5efa\u7269\u306e\u5f62\u72b6\u304c\u6b63\u4e94\u89d2\u5f62\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u5225\u540d\u300c\u30da\u30f3\u30bf\u30b4\u30f3\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306f\u6b63\u4e94\u89d2\u5f62\u306b\u96a0\u3055\u308c\u305f\u79d8\u5bc6\u3092\u89e3\u304d\u660e\u304b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E8%A7%92%E5%BA%A6\"><\/span>\u89d2\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u307e\u305a\u306f\u89d2\u5ea6\u3002<\/p>\n<p>\u5bfe\u89d2\u7dda\u3092\u5f15\u3044\u305f\u6b63\u4e94\u89d2\u5f62\u306e\u4e2d\u306b\u73fe\u308c\u308b\u89d2\u5ea6\u306f\u4f55\u7a2e\u985e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u6700\u521d\u306b\u6b63\u4e94\u89d2\u5f62\u306e\u5185\u89d2\u306e\u548c\u3092\u6c42\u3081\u307e\u3059\u3002\u6b63\u4e94\u89d2\u5f62\u306f3\u500b\u306e\u4e09\u89d2\u5f62\u306b\u5206\u5272\u3055\u308c\u308b\u306e\u3067\u3001\u5185\u89d2\u306e\u548c\u306f180\u00b0\u00d73\uff1d540\u00b0\u3002\u3088\u3063\u3066\u3001540\u00b0\u00f75\uff1d108\u00b0\u304c\u6b63\u4e94\u89d2\u5f62\u306e\u5185\u89d2\u3002<\/p>\n<p>\u3059\u308b\u3068\u5185\u5074\u306e\u5c0f\u3055\u3044\u6b63\u4e94\u89d2\u5f62\u306e\u5185\u89d2\u306e\u53cd\u5bfe\u5074\u306e\u89d2\u306f180\u00b0-108\u00b0\uff1d72\u00b0\u30021\u3064\u306e\u89d2\u5ea6\u304c108\u00b0\u306e\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u306b\u6ce8\u76ee\u3059\u308b\u3068\u6b8b\u308a\u306e\u7b49\u3057\u30442\u3064\u306e\u89d2\u5ea6\u306f\uff08180\u00b0-108\u00b0\uff09\u00f72\uff1d36\u00b0\u3002<\/p>\n<p>\u307e\u305f\u30012\u3064\u306e\u7b49\u3057\u304472\u00b0\u306e\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u306b\u6ce8\u76ee\u3059\u308b\u3068\u6b8b\u308a\u306e\u89d2\u5ea6\u306f180\u00b0-72\u00b0\u00d72\uff1d36\u00b0\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u56f3\u306e\u25cf1\u500b\u304c36\u00b0\u3092\u8868\u3059\u3068\u3059\u308b\u3068\u3001\u25cf\u25cf\uff1d72\u00b0\u3001\u25cf\u25cf\u25cf\uff1d108\u00b0\u3067\u3001\u73fe\u308c\u308b\u89d2\u5ea6\u306f\u3053\u306e3\u7a2e\u985e\u306e\u3044\u305a\u308c\u304b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%BD%A2%E7%8A%B6\"><\/span>\u5f62\u72b6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6b21\u306f\u5f62\u3002<\/p>\n<p>\u5bfe\u89d2\u7dda\u3092\u5f15\u3044\u305f\u6b63\u4e94\u89d2\u5f62\u306e\u4e2d\u306b\u306f\u3001\u5f62\u3084\u5927\u304d\u3055\u306e\u9055\u3046\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u306f\u4f55\u7a2e\u985e\u898b\u3064\u304b\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u89d2\u5ea6\u304c3\u7a2e\u985e\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u306f2\u7a2e\u985e\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002108\u00b0\u306836\u00b0\u306836\u00b0\u300136\u00b0\u306872\u00b0\u306872\u00b0\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u306e\u5927\u304d\u3055\u306e\u9055\u3044\u3092\u8003\u3048\u3066\u307f\u308b\u3068\u3001\u524d\u8005\u304c\u56f3\u306e\u2462\u2463\u306e2\u7a2e\u985e\u3001\u5f8c\u8005\u304c\u56f3\u306e\u2460\u2461\u2464\u306e3\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u5bfe\u89d2\u7dda\u3092\u5f15\u3044\u305f\u6b63\u4e94\u89d2\u5f62\u306e\u4e2d\u306b\u306f\u3001\u6b63\u4e94\u89d2\u5f62\u3001\u5e73\u884c\u56db\u8fba\u5f62\u3001\u7b49\u5ba2\u53f0\u5f62\uff08\u5e95\u8fba\u3067\u306a\u30442\u8fba\u306e\u9577\u3055\u306e\u7b49\u3057\u3044\u53f0\u5f62\uff09\u306a\u3069\u306e\u56f3\u5f62\u304c\u96a0\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%AF%94%E7%8E%87\"><\/span>\u6bd4\u7387<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6700\u5f8c\u306f\u6bd4\u3002<\/p>\n<p>\u5bfe\u89d2\u7dda\u3092\u5f15\u3044\u305f\u6b63\u4e94\u89d2\u5f62\u306e\u4e2d\u306b<a href=\"https:\/\/club.informatix.co.jp\/?p=1989\" target=\"_blank\" rel=\"noopener\">\u9ec4\u91d1\u6bd4<\/a>\u304c\u96a0\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>1:1.618\u2026\u306f\u9ec4\u91d1\u6bd4\u3068\u547c\u3070\u308c\u3001\u03c6\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u7dda\u5206\u30921:\u03c6\u306b\u5206\u5272\u3057\u305f\u3082\u306e\u3092\u9ec4\u91d1\u5206\u5272\u3001\u7e26\u6a2a\u306e\u6bd4\u304c1:\u03c6\u3067\u3042\u308b\u9577\u65b9\u5f62\u306f\u9ec4\u91d1\u9577\u65b9\u5f62\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u3055\u307e\u3056\u307e\u306a\u5de5\u696d\u30c7\u30b6\u30a4\u30f3\u3084\u30ec\u30aa\u30ca\u30eb\u30c9\u30fb\u30c0\u30fb\u30d3\u30f3\u30c1\u306e\u30e2\u30ca\u30ea\u30b6\u306b\u3082\u9ec4\u91d1\u6bd4\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u56f3\u306e\u3088\u3046\u306b\u6b63\u4e94\u89d2\u5f62\u306e1\u8fba\u3068\u5bfe\u89d2\u7dda\u306e\u9577\u3055\u306e\u6bd4\u304c\u9ec4\u91d1\u6bd4\u3001\u305d\u3057\u3066\u5bfe\u89d2\u7dda\u304c\u9ec4\u91d1\u5206\u5272\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E9%BB%84%E9%87%91%E6%AF%94\"><\/span>\u9ec4\u91d1\u6bd4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3067\u306f\u3001\u9ec4\u91d1\u6bd4\u306e\u8b0e\u3092\u89e3\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u56f3\u306e\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u2461\u3068\u2464\u306f\u76f8\u4f3c\uff08\u7c21\u5358\u306b\u306f\u5f62\u304c\u7b49\u3057\u3044\u56f3\u5f62\uff09\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u6b63\u4e94\u89d2\u5f62\u306e1\u8fba\u306e\u9577\u3055\u30921\u3068\u3057\u3066\u3001\u6b63\u4e94\u89d2\u5f62\u306e\u5bfe\u89d2\u7dda\u306e\u9577\u3055\u3092\u03d5\u3068\u304a\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u3059\u308b\u3068\u2464\u306e3\u8fba\u306e\u9577\u3055\u306f\u03d5\u3001\u03d5\u30011\u3001\u2461\u306e3\u8fba\u306e\u9577\u3055\u306f1\u30011\u3001\u03d5-1\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u3055\u3066\u2464\u3068\u2461\u306f\u76f8\u4f3c\u306a\u306e\u3067\u3001\u5bfe\u5fdc\u3059\u308b\u8fba\u306e\u6bd4\u306e\u9593\u306b\u6b21\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\">\u03d5:1\uff1d1: \u03d5-1<\/p>\n<p>\u3053\u306e\u5f0f\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u03d5 <sup>2<\/sup>&#8211; \u03d5 -1=0\u3068\u306a\u308b\u306e\u3067\u30012\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u516c\u5f0f\u3092\u7528\u3044\u3066\u3001\u03d5 =(1\u00b1\u221a5)\/2\u3068\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u03d5&gt;1\u3088\u308a\u3001\u03d5 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