{"id":8057,"date":"2022-08-16T06:30:00","date_gmt":"2022-08-15T21:30:00","guid":{"rendered":"https:\/\/www.educational-lounge.com\/?p=8057"},"modified":"2022-08-15T23:49:03","modified_gmt":"2022-08-15T14:49:03","slug":"%e6%95%b4%e6%95%b0%e3%81%ae%e6%80%a7%e8%b3%aa%e3%81%ae%e5%ad%a6%e7%bf%92%e3%82%92%e5%8a%b9%e6%9e%9c%e7%9a%84%e3%81%ab%e9%80%b2%e3%82%81%e3%81%a6%e3%81%84%e3%81%8f%e3%81%9f%e3%82%81%e3%81%ab%e5%bd%b9","status":"publish","type":"post","link":"https:\/\/www.educational-lounge.com\/?p=8057","title":{"rendered":"\u6574\u6570\u306e\u6027\u8cea\u306e\u5b66\u7fd2\u3092\u52b9\u679c\u7684\u306b\u9032\u3081\u3066\u3044\u304f\u305f\u3081\u306b\u5f79\u7acb\u30643\u3064\u306e\u6307\u91dd"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u6570\u5b66\u8b1b\u5e2b\u306e\u5927\u585a\u5fd7\u559c\u3067\u3059\u3002<\/p>\n<p>\u3055\u3066\uff0c\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\uff0c\u6574\u6570\u306e\u6027\u8cea\u306e\u5b66\u7fd2\u65b9\u91dd\u306b\u3064\u3044\u3066\u304a\u8a71\u3057\u3057\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u6574\u6570\u306b\u95a2\u3059\u308b\u5206\u91ce\u306f\u300c\u6570\u5b66\u306e\u5973\u738b\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u307b\u3069\u96e3\u554f\u306e\u591a\u3044\u5206\u91ce\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u4ed6\u306e\u5206\u91ce\u3067\u3082\u3082\u3061\u308d\u3093\u305d\u3046\u306a\u306e\u3067\u3059\u304c\uff0c\u3053\u306e\u5206\u91ce\u3067\u306f\u7279\u306b\uff0c\u305f\u3060\u9069\u5f53\u306b\u554f\u984c\u3092\u89e3\u3044\u3066\u89e3\u304d\u65b9\u3092\u899a\u3048\u3066\u3044\u3063\u3066\u3082\u521d\u898b\u306e\u554f\u984c\u306b\u5bfe\u5fdc\u3059\u308b\u80fd\u529b\u306f\u8eab\u306b\u3064\u304d\u307e\u305b\u3093\u3002<br \/>\n\u3084\u306f\u308a\u3044\u3064\u3082\u8a00\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u571f\u53f0\u304c\u5927\u5207\u306a\u306e\u3067\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u4eca\u56de\u306f\u6574\u6570\u306b\u95a2\u3059\u308b\u554f\u984c\u306b\u6311\u6226\u3057\u3066\u3044\u304f\u3046\u3048\u3067\u3082\u306e\u3059\u3054\u304f\u5927\u5207\u306b\u306a\u3063\u3066\u304f\u308b\u571f\u53f0\u306b\u3064\u3044\u3066\u8a71\u3092\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u5927\u5b66\u5165\u8a66\u306f\u300c\u89e3\u3051\u308b\u554f\u984c\u300d\u304c\u51fa\u984c\u3055\u308c\u308b<\/strong><\/h2>\n<p>\u5148\u307b\u3069\u96e3\u554f\u304c\u591a\u3044\u3068\u3044\u3044\u307e\u3057\u305f\u304c\uff0c\u305d\u308c\u306f\u3042\u304f\u307e\u3067\u3082\u7bc4\u56f2\u5236\u9650\u306e\u306a\u3044\u3068\u304d\u306e\u8a71\u3067\u3059\u3002<\/p>\n<p>\u5927\u5b66\u5165\u8a66\u306f\u307e\u305a\u89e3\u3051\u308b\u554f\u984c\u304c\u51fa\u984c\u3055\u308c\u308b\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002<br \/>\n\u307e\u305f\uff0c\u4eee\u306b\u89e3\u3051\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b\u554f\u984c\u3067\u3042\u3063\u3066\u3082\uff0c\u53d7\u9a13\u751f\u306e\u8ab0\u4e00\u4eba\u3082\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u554f\u984c\u306a\u3069\u51fa\u3057\u3066\u3057\u307e\u3063\u3066\u306f\u9078\u629c\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #efefff; background-color: #efefff; color: #333;\">\n<div class=\"sc_frame_text\">\u8a66\u9a13\u3067\u306f\uff0c\u5408\u683c\u306b\u5fc5\u8981\u306a\u80fd\u529b\u304c\u8eab\u306b\u3064\u3044\u3066\u3044\u308c\u3070\u89e3\u3051\u308b\u306f\u305a\u306e\u554f\u984c\u3057\u304b\u51fa\u984c\u3055\u308c\u307e\u305b\u3093\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\uff0c\u5165\u8a66\u3067\u51fa\u984c\u3055\u308c\u308b\u6574\u6570\u554f\u984c\u306f\u304b\u306a\u308a\u96e3\u6613\u5ea6\u3092\u843d\u3068\u3055\u308c\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3057\u304b\u3057\uff0c\u96e3\u6613\u5ea6\u3092\u843d\u3068\u3057\u3066\u3042\u308b\u304b\u3089\u3068\u8a00\u3063\u3066\u3082\u9069\u5f53\u306b\u52c9\u5f37\u3057\u3066\u3044\u3066\u306f\u30c0\u30e1\u3067\u3059\u3002<br \/>\n\u3057\u3063\u304b\u308a\u3068\u571f\u53f0\u3092\u4f5c\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u6574\u6570\u554f\u984c\u3092\u89e3\u304d\u307b\u3050\u30593 \u3064\u306e\u65b9\u91dd<\/strong><\/h2>\n<p>\u307e\u305a\uff0c\u4eca\u81ea\u5206\u9054\u306f\u300c\u6574\u6570\u554f\u984c\u306e\u89e3\u304d\u65b9\u300d\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u81ea\u899a\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u6574\u6570\u3092\u6271\u3046\u4e0a\u3067\u306f\uff0c\u5b9f\u6570\u3084\u8907\u7d20\u6570\u3092\u6271\u3046\u3068\u304d\u3068\u306f\u9055\u3063\u305f\u8003\u3048\u65b9\u3092\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #efefff; background-color: #efefff; color: #333;\">\n<div class=\"sc_frame_text\">\u3064\u307e\u308a\uff0c\u300c\u6574\u6570\u300d\u3068\u300c\u5b9f\u6570\u3084\u8907\u7d20\u6570\u300d\u306b\u3069\u3093\u306a\u9055\u3044\u304c\u3042\u308b\u304b\u306b\u7740\u76ee\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u305d\u306e\u9055\u3044\u306b\u3053\u305d\u6574\u6570\u554f\u984c\u3092\u89e3\u304d\u307b\u3050\u3057\u3066\u3044\u304f\u65b9\u91dd\u304c\u96a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7686\u3055\u3093\u304c\u6700\u4f4e\u9650\u8eab\u306b\u3064\u3051\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u8003\u3048\u65b9\u306f\u305f\u3063\u305f3\u3064\u3067\u3059\u3002<br \/>\n\u3053\u308c\u304b\u3089\u7686\u3055\u3093\u304c\u51fa\u4f1a\u3046\u6574\u6570\u554f\u984c\u306e\u307b\u3068\u3093\u3069\u306f\u4eca\u304b\u3089\u8a71\u3057\u3066\u3044\u304f3\u3064\u306e\u65b9\u91dd\u306e\u6d3e\u751f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u6574\u6570\u554f\u984c\u306e\u8003\u3048\u65b9\u2460\u2015\u2015\u639b\u3051\u7b97\u5229\u7528<\/strong><\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2021\/01\/puzzle-3223941_1920-300x182.jpg\" alt=\"\" width=\"640\" height=\"388\" class=\"alignnone wp-image-5082\" srcset=\"https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2021\/01\/puzzle-3223941_1920-300x182.jpg 300w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2021\/01\/puzzle-3223941_1920-1024x621.jpg 1024w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2021\/01\/puzzle-3223941_1920-768x466.jpg 768w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2021\/01\/puzzle-3223941_1920-1536x931.jpg 1536w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2021\/01\/puzzle-3223941_1920.jpg 1920w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u307e\u305a\uff0c\u6b21\u306e\u65b9\u7a0b\u5f0f\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<br \/>\n$$xy = 3$$<br \/>\n\u3053\u306e\u65b9\u7a0b\u5f0f\u3092\u6e80\u305f$x$\u3068$y$\u306e\u7d44$(x, y)$\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">x\u3068y\u304c\u5b9f\u6570\u30fb\u8907\u7d20\u6570\u306e\u5834\u5408<\/h3>\n<p>\u3082\u3057$x$\u3068$y$\u304c\u5b9f\u6570\u3060\u3063\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">$(1, 3)\uff0c(-\\dfrac{3}{100},-100),(\\sqrt{3},\\sqrt{3})$\u306a\u3069\uff0c\u305d\u308c\u3053\u305d\u7121\u9650\u306b\u3042\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u56f3\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">$x\\neq 0$\u3067\u3059\u304b\u3089\uff0c$xy=3$\u3068\u3044\u3046\u65b9\u7a0b\u5f0f\u306f$y=\\dfrac{3}{x}$\u3068\u540c\u5024\u5909\u5f62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3053\u306e\u30b0\u30e9\u30d5\u306f\u4e2d\u5b661\u5e74\u3067\u5b66\u7fd2\u3057\u307e\u3059\u306d\u3002<br \/>\n\u53cd\u6bd4\u4f8b\u306e\u30b0\u30e9\u30d5\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">$x$\u8ef8\u3068$y$\u8ef8\u3092\u6f38\u8fd1\u7dda\u306b\u3082\u3064\u53cc\u66f2\u7dda\u306b\u306a\u308a\u307e\u3059\u3088\u306d\u3002<br \/>\n$x$\u3068$y$\u304c\u5b9f\u6570\u3067\u3042\u308c\u3070\uff0c\u3053\u306e\u30b0\u30e9\u30d5\u4e0a\u306e\u70b9$(x, y)$\u304c\u3059\u3079\u3066\uff0c\u65b9\u7a0b\u5f0f$xy=3$\u306e\u89e3\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3055\u3089\u306b$x$\u3068$y$\u3092\u8907\u7d20\u6570\u3068\u3059\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u6570\u5b66IA\u306e\u7bc4\u56f2\u304b\u3089\u306f\u5916\u308c\u307e\u3059\u304c\uff0c$(3i, -i)$\u306a\u3069\u3082\u89e3\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3068\u3066\u3064\u3082\u306a\u3044\u6570\u306e\u89e3\u304c\u3042\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">x\u3068y\u304c\u6574\u6570\u306e\u5834\u5408<\/h3>\n<p>\u305d\u308c\u306b\u5bfe\u3057\u3066\uff0c\u3082\u3057$x$\u3068$y$\u304c\u6574\u6570\u3060\u3063\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u72b6\u6cc1\u304c\u30ac\u30e9\u30c3\u3068\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u306a\u3093\u3068\u89e3\u306f$(1, 3)\uff0c(3, 1)\uff0c(\u22121, \u22123)\uff0c(\u22123, \u22121)$\u306e\u305f\u3063\u305f$4$\u7d44\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u5b9f\u6570\u3084\u8907\u7d20\u6570\u306e\u4e16\u754c\u3068\u306f\u5168\u7136\u9055\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u304c\u5148\u307b\u3069\u8a00\u3063\u3066\u3044\u305f\uff0c\u300c\u6574\u6570\u300d\u3068\u300c\u5b9f\u6570\u3084\u8907\u7d20\u6570\u300d\u306e\u9055\u3044\u3067\u3059\u3002<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">\u6574\u6570\u306f\u639b\u3051\u7b97\u3068\u76f8\u6027\u304c\u826f\u3044<\/h3>\n<p>\u307e\u305a\u4e00\u3064\u76ee\u306e\u9055\u3044\u3068\u3057\u3066\uff0c\u639b\u3051\u7b97\u3068\u306e\u76f8\u6027\u306e\u826f\u3055\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u6574\u6570\u306f\u639b\u3051\u7b97\u306e\u5f62\u306b\u3059\u308b\u3068\uff0c\u305d\u306e\u5f0f\u3092\u6e80\u305f\u3059\u6574\u6570\u304c\u304b\u306a\u308a\u7d5e\u308a\u8fbc\u3081\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3092\u5229\u7528\u3057\u306a\u3044\u624b\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\uff0c\u307e\u305a\u4e00\u3064\u76ee\u306e\u65b9\u91dd\u306f\u300c\u639b\u3051\u7b97\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u304b\uff1f\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\uff0c\u306a\u305c\u6574\u6570\u3068\u639b\u3051\u7b97\u306f\u76f8\u6027\u304c\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #efefff; background-color: #efefff; color: #333;\">\n<div class=\"sc_frame_text\">\u305d\u306e\u88cf\u306b\u3042\u308b\u306e\u306f\u305a\u3070\u308a\u300c\u7d20\u56e0\u6570\u5206\u89e3\u306e\u4e00\u610f\u6027\u300d\u3067\u3059\u3002<br \/>\n\u4e00\u610f\u6027\u3068\u306f\uff0c\u300c\u5fc5\u305a\u305f\u3060\u4e00\u3064\u306b\u5b9a\u307e\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u81ea\u7136\u6570\u304c\u3042\u308b\u3068\uff0c\u305d\u306e\u7d20\u56e0\u6570\u5206\u89e3\u306e\u7d50\u679c\u306f\uff0c\u9806\u5e8f\u306e\u9055\u3044\u3092\u9664\u3044\u3066\u305f\u3060\u4e00\u901a\u308a\u306b\u5b9a\u307e\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u5b9f\u6570\u3084\u8907\u7d20\u6570\u3067\u306f\u639b\u3051\u7b97\u3067\u306e\u8868\u3057\u65b9\u304c\u7121\u6570\u306b\u3042\u308a\u307e\u3059\u304c\uff0c\u6574\u6570\u3084\u81ea\u7136\u6570\u3067\u306f\u7d20\u56e0\u6570\u5206\u89e3\u306e\u4ed5\u65b9\u304c\u4e00\u3064\u306b\u5b9a\u307e\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304b\u3089\uff0c\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u3082\u306e\u3059\u3054\u304f\u5c11\u306a\u3044\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">\u6574\u6570\u306f\u7d20\u6570\u3084\u6700\u5927\u516c\u7d04\u6570\u30fb\u6700\u5c0f\u516c\u500d\u6570\u306e\u8b70\u8ad6\u3068\u306e\u76f8\u6027\u3082\u826f\u3044<\/h3>\n<p>\u307e\u305f\uff0c\u7d20\u56e0\u6570\u5206\u89e3\u304c\u80cc\u666f\u306b\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u5f53\u7136\u7d20\u6570\u3068\u306e\u76f8\u6027\u304c\u3044\u3044\u3067\u3059\u3002<br \/>\n\u307e\u305f\uff0c\u7d20\u56e0\u6570\u5206\u89e3\u3092\u5229\u7528\u3057\u3066\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6700\u5927\u516c\u7d04\u6570\u3084\u6700\u5c0f\u516c\u500d\u6570\u306e\u8b70\u8ad6\u3068\u3082\u975e\u5e38\u306b\u76f8\u6027\u304c\u3044\u3044\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #efefff; background-color: #efefff; color: #333;\">\n<div class=\"sc_frame_text\">\u3053\u306e\u3088\u3046\u306b\uff0c\u305f\u3060\u300c\u639b\u3051\u7b97\u304c\u3044\u3044\u3093\u3060\u300d\u3067\u7d42\u308f\u308b\u306e\u3067\u306f\u306a\u304f\u300c\u639b\u3051\u7b97\u306b\u7740\u76ee\u3059\u308b\u3068\uff0c\u7d20\u6570\u306b\u95a2\u3059\u308b\u8a71\uff0c\u7d04\u6570\u3084\u500d\u6570\u306b\u95a2\u3059\u308b\u8a71\u306a\u3069\u306b\u6d3e\u751f\u3057\u3066\u3044\u304f\u3093\u3060\u300d\u3068\uff0c\u5177\u4f53\u7684\u306a\u554f\u984c\u3092\u901a\u3057\u3066\u7d4c\u9a13\u3092\u7a4d\u3093\u3067\u3044\u304f\u306e\u304c\u5927\u5207\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3053\u306e\u3088\u3046\u306b\u300c\u6574\u6570\u300d\u3068\u300c\u5b9f\u6570\u3084\u8907\u7d20\u6570\u300d\u306e\u9055\u3044\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u6b21\u306b\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u6574\u6570\u554f\u984c\u306e\u8003\u3048\u65b9\u2461\u2015\u2015\u4f59\u308a\u306e\u5229\u7528<\/strong><\/h2>\n<p>\u6b21\u306f\uff0c\u3053\u308c\u30894\u3064\u306e\u5f0f\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n$$x+y, x\u2212y, x\\times y, x\\div y$$<br \/>\n\u3042\uff0c\u305f\u3060\u3057\u5272\u308a\u7b97\u306b\u95a2\u3057\u3066\u306f\uff0c$y\\neq 0$\u3068\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u3055\u3066\uff0c\u3082\u3057$x$\u3068$y$\u304c\u5b9f\u6570\u3060\u3068\uff0c\u3053\u308c\u3089$4$\u3064\u306e\u5f0f\u306e\u8a08\u7b97\u7d50\u679c\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3059\u3079\u3066\u5b9f\u6570\u306b\u306a\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">$x$\u3068$y$\u304c\u6574\u6570\u306e\u5834\u5408<\/h3>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u3057\u304b\u3057\uff0c$x$\u3068$y$\u304c\u6574\u6570\u3060\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u4e00\u3064\u3060\u3051\u4ef2\u9593\u306f\u305a\u308c\u304c\u3044\u307e\u3059\u3088\u306d\u3002<br \/>\n\u305d\u3046\uff0c\u5272\u308a\u7b97\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u8db3\u3057\u7b97\u3068\u5f15\u304d\u7b97\uff0c\u639b\u3051\u7b97\u306b\u95a2\u3057\u3066\u306f\u8a08\u7b97\u7d50\u679c\u304c\u5fc5\u305a\u6574\u6570\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u5272\u308a\u7b97\u306b\u95a2\u3057\u3066\u306f\uff0c\u3080\u3057\u308d\u8a08\u7b97\u7d50\u679c\u304c\u6574\u6570\u306b\u306a\u308b\u3053\u3068\u306e\u307b\u3046\u304c\u73cd\u3057\u3044\u3067\u3059\u3088\u306d\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u4f8b\u3048\u3070$13\\div 5=2.6$\u3067\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306b\u5272\u308a\u7b97\u3060\u3051\u304c\uff0c\u7b54\u3048\u304c\u6574\u6570\u306e\u4e16\u754c\u304b\u3089\u98db\u3073\u51fa\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308b\u3093\u3067\u3059\u306d\u3002<\/p>\n<p>\u3057\u304b\u3057\uff0c\u601d\u3044\u8fd4\u3057\u3066\u307f\u308b\u3068\uff0c\u5c0f\u5b66\u6821\u3067\u306f\u5c0f\u6570\u3084\u5206\u6570\u3092\u5b66\u7fd2\u3059\u308b\u3088\u308a\u3082\u524d\u306b\u5272\u308a\u7b97\u3092\u7fd2\u3044\u307e\u3059\u3002<br \/>\n\u3064\u307e\u308a\uff0c\u5c0f\u6570\u3084\u5206\u6570\u3092\u77e5\u3089\u306a\u304f\u3066\u3082$13\\div 5$\u3092\u8a08\u7b97\u3067\u304d\u305f\u6642\u671f\u304c\u50d5\u305f\u3061\u306b\u3082\u3042\u3063\u305f\u308f\u3051\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #efefff; background-color: #efefff; color: #333;\">\n<div class=\"sc_frame_text\">\u305d\u3046\u3067\u3059\u3002\u300c\u4f59\u308a\u300d\u3092\u4f7f\u3063\u3066\u7b54\u3048\u3066\u3044\u307e\u3057\u305f\u3088\u306d\u3002<br \/>\n\u4f59\u308a\u3092\u7528\u3044\u308b\u3053\u3068\u306b\u3088\u3063\u3066\uff0c\u6574\u6570\u306e\u5272\u308a\u7b97\u306e\u8a08\u7b97\u7d50\u679c\u3092\u5fc5\u305a\u6574\u6570\u3067\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u305f\u308f\u3051\u3067\u3059\u3002<br \/>\n\u300c\u4f59\u308a\u300d\u306f\uff0c\u5b9f\u6570\u3084\u8907\u7d20\u6570\u306b\u306f\u306a\u3044\u6574\u6570\u72ec\u7279\u306e\u8003\u3048\u65b9\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u4e8c\u3064\u76ee\u306e\u65b9\u91dd\u306f\u300c\u4f55\u304b\u3067\u5272\u308a\u7b97\u3057\u305f\u3068\u304d\u306e\u4f59\u308a\u304c\u3069\u3046\u306a\u3063\u3066\u308b\u304b\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u3059\u3002<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u6574\u6570\u554f\u984c\u306e\u8003\u3048\u65b9\u2462\u2015\u2015\u533a\u9593\u9650\u5b9a<\/strong><\/h2>\n<p>\u6700\u5f8c\u306b\u7740\u76ee\u3059\u308b\u9055\u3044\u306f\uff0c\u5b9f\u6570\u306e<ruby>\u7a20\u5bc6<rt>\u3061\u3085\u3046\u307f\u3064<\/rt><\/ruby> \u6027\u3068\u6574\u6570\u306e\u96e2\u6563\u6027\u3067\u3059\u3002<br \/>\n\u96e3\u3057\u3044\u8a00\u8449\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u304c\uff0c\u8a00\u304a\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u5927\u3057\u305f\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u6b21\u306e\u3088\u3046\u306a\u4e0d\u7b49\u5f0f\u304c\u4e0e\u3048\u3089\u308c\u305f\u3068\u3057\u307e\u3059\u3002<br \/>\n$$2 &lt; x &lt; 4$$<br \/>\n\u3053\u306e\u4e0d\u7b49\u5f0f\u3092\u6e80\u305f\u3059\u5b9f\u6570$x$\u306f\u7121\u9650\u306b\u3042\u308a\u307e\u3059\u304c\uff0c\u6574\u6570$x$\u306f$x=3$\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">\u6574\u6570\u304c\u4e0d\u7b49\u5f0f\u3068\u76f8\u6027\u304c\u826f\u3044\u7406\u7531\u306f\u5b9f\u6570\u306e\u7a20\u5bc6\u6027\u3068\u6574\u6570\u306e\u96e2\u6563\u6027\u306b\u3042\u308b<\/h3>\n<p>\u6574\u6570\u306f\u3053\u306e\u3088\u3046\u306b\u4e0d\u7b49\u5f0f\u3068\u975e\u5e38\u306b\u76f8\u6027\u304c\u826f\u3044\u306e\u3067\u3059\u3002<br \/>\n\u305d\u306e\u7406\u7531\u304c\u5b9f\u6570\u306e\u7a20\u5bc6\u6027\u3068\u6574\u6570\u306e\u96e2\u6563\u6027\u306b\u3042\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u6570\u76f4\u7dda\u3092\u60f3\u50cf\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u5b9f\u6570\u306f\u6570\u76f4\u7dda\u4e0a\u306b\u9699\u9593\u306a\u304f\u3073\u3063\u3057\u308a\u8a70\u307e\u3063\u3066\u3044\u307e\u3059\u3088\u306d\u3002<br \/>\n\u3053\u306e\u3053\u3068\u3092\u300c\u5b9f\u6570\u306f\u7a20\u5bc6\u3067\u3042\u308b\u300d\u3068\u8a00\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u304e\u3063\u3057\u308a\u8a70\u307e\u3063\u3066\u3044\u3066\u306f\uff0c\u7bc4\u56f2\u3092\u7d5e\u3063\u305f\u3068\u3057\u3066\u3082\u305d\u306e\u7bc4\u56f2\u306e\u4e2d\u306b\u3082\u5b9f\u6570\u306f\u304e\u3063\u3057\u308a\u8a70\u307e\u3063\u3066\u3044\u307e\u3059\u306e\u3067\uff0c\u5168\u7136\u7d5e\u308a\u8fbc\u3081\u306a\u3044\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u306b\u5bfe\u3057\u3066\u6574\u6570\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u3002<br \/>\n\u30b9\u30ab\u30b9\u30ab\u3067\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u3053\u306e\u3088\u3046\u306a\u72b6\u614b\u3092\u300c\u96e2\u6563\u7684\u3067\u3042\u308b\u300d\u3068\u3044\u3044\u307e\u3059\u3002<br \/>\n\u3082\u3068\u3082\u3068\u304c\u30b9\u30ab\u30b9\u30ab\u3067\u3059\u304b\u3089\uff0c\u7bc4\u56f2\u3092\u7d5e\u308a\u8fbc\u3093\u3067\u3057\u307e\u3048\u3070\u305d\u306e\u7bc4\u56f2\u306e\u4e2d\u306b\u3042\u308b\u6574\u6570\u3082\u307b\u3068\u3093\u3069\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308b\u3067\u3057\u3087\u3046\u3002<br \/>\n\u3060\u304b\u3089\u6574\u6570\u306f\u4e0d\u7b49\u5f0f\u3068\u76f8\u6027\u304c\u826f\u3044\u306e\u3067\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u4e09\u3064\u76ee\u306e\u65b9\u91dd\u306f\u300c\u4e0d\u7b49\u5f0f\u3067\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u304b\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u3059\u3002<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u7b97\u6570\u30aa\u30ea\u30f3\u30d4\u30c3\u30af\u306e\u554f\u984c\u3092\u984c\u6750\u306b\u3057\u305f\u5b9f\u8df5<\/strong><\/h2>\n<p><img decoding=\"async\" data-src=\"https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-300x225.jpg\" alt=\"\" width=\"640\" height=\"480\" class=\"alignnone wp-image-3914 lazyload\" data-srcset=\"https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-300x225.jpg 300w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-1024x768.jpg 1024w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-768x576.jpg 768w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-1536x1152.jpg 1536w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-280x210.jpg 280w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920-150x112.jpg 150w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/08\/geometry-625155_1920.jpg 1920w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u4ee5\u4e0a\u306e3 \u3064\u306e\u65b9\u91dd\u304c\u7406\u5c48\u304b\u3089\u3057\u3063\u304b\u308a\u3068\u982d\u306e\u4e2d\u306b\u5165\u308b\u3068\uff0c\u57fa\u672c\u554f\u984c\u30ec\u30d9\u30eb\u3067\u8a33\u304c\u308f\u304b\u3089\u306a\u304f\u3066\u56f0\u308b\u3053\u3068\u306f\u5927\u5b66\u53d7\u9a13\u30ec\u30d9\u30eb\u3067\u306f\u307e\u305a\u305d\u3046\u305d\u3046\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u8a66\u3057\u306b\u4e00\u3064\u554f\u984c\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u5927\u5b66\u5165\u8a66\u306e\u554f\u984c\u3068\u306f\u3044\u304d\u307e\u305b\u3093\u304c\uff0c\u7b97\u6570\u30aa\u30ea\u30f3\u30d4\u30c3\u30af\u306e\u554f\u984c\u3092\u8003\u3048\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<div style=\"display: inline-block; background: #01297a; padding: 5px 10px; color: #ffffff; border-radius: 5px 5px 0 0;\"><strong>\u4f8b\u984c<\/strong><\/div>\n<div style=\"background: #efefff; padding: 10px; border: 2px solid #01297a;\">\n<p>\u3088\u3057\u3053\u3055\u3093\u306f\u9b5a\u5c4b\u3055\u3093\u3067\u6b21\u306e\u305d\u308c\u305e\u308c\u306e\u9b5a\u3092\u3069\u308c\u3082$1$\u5339\u4ee5\u4e0a\uff0c\u3061\u3087\u3046\u3069$3600$\u5186\u5206\u8cb7\u3044\u307e\u3057\u305f\u3002<\/p>\n<div class=\"sc_designlist ol parag blue\">\n<ul>\n<li>\u2022\u3055\u3070\u3000$1$\u5339\u3042\u305f\u308a$130$\u5186<\/li>\n<li>\u2022\u3042\u3058\u3000$1$\u5339\u3042\u305f\u308a$170$\u5186<\/li>\n<li>\u2022\u3044\u308f\u3057\u3000$1$\u5339\u3042\u305f\u308a$78$\u5186<\/li>\n<li>\u2022\u3055\u3093\u307e\u3000$1$\u5339\u3042\u305f\u308a$104$\u5186<\/li>\n<\/ul>\n<\/div>\n<p>\u3055\u3066\uff0c\u3088\u3057\u3053\u3055\u3093\u306f\u3042\u3058\u3092\u4f55\u5339\u8cb7\u3063\u305f\u3053\u3068\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n<p>\u3053\u3093\u306a\u554f\u984c\u3067\u3059\u3002\u305c\u3072\u7686\u3055\u3093\u6311\u6226\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u4eee\u306b\u89e3\u3051\u306a\u304b\u3063\u305f\u3068\u3057\u3066\u3082\uff0c\u300c\u3069\u3046\u982d\u3092\u4f7f\u3063\u305f\u304b\u300d\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u305d\u308c\u3068\u4ee5\u4e0b\u306e\u89e3\u8aac\u3092\u6bd4\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u5fc5\u7136\u6027\u304c\u4f1d\u308f\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u7b97\u6570\u30aa\u30ea\u30f3\u30d4\u30c3\u30af\u306a\u306e\u306b\u65b9\u7a0b\u5f0f\u3092\u4f7f\u3046\u306a\u3068\u3044\u3046\u30c4\u30c3\u30b3\u30df\u306f\u4e00\u5207\u53d7\u3051\u4ed8\u3051\u307e\u305b\u3093\uff08\u7b11\uff09<\/p>\n<h3 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\">\u89e3\u8aac<\/h3>\n<p>\u307e\u305a\u4e0e\u3048\u3089\u308c\u305f\u72b6\u6cc1\u3092\u6570\u5f0f\u306b\u7ffb\u8a33\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u3055\u3070\uff0c\u3042\u3058\uff0c\u3044\u308f\u3057\uff0c\u3055\u3093\u307e\u3092\u305d\u308c\u305e\u308c$x$\u5339$\uff0cy$\u5339$\uff0cz$\u5339$\uff0cw$\u5339\u8cb7\u3063\u305f\u3068\u3059\u308b\u3068\uff0c\u6b21\u306e\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064\u306e\u306f\u3044\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n$$130x + 170y + 78z + 104w = 3600\\\\ \\iff\u300065x + 85y + 39z + 52 = 1800$$<br \/>\n\u3053\u308c\u3067$y$\u3092\u6c42\u3081\u308d\u3068\u8a00\u3063\u3066\u3044\u308b\u8a33\u3067\u3059\u3002<br \/>\n\u3069\u3046\u3057\u307e\u3057\u3087\u3046\u304b\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u6574\u6570\u554f\u984c\u306f\u300c\u639b\u3051\u7b97\u300d\u300c\u4f59\u308a\u300d\u300c\u4e0d\u7b49\u5f0f\u300d\u304c\u57fa\u672c\u3067\u3059\u3002<br \/>\n\u3069\u3046\u3057\u3088\u3046\u304b\u3067\u306f\u306a\u304f\uff0c\u3053\u306e\u4e2d\u306e\u3069\u308c\u3092\u4f7f\u304a\u3046\u304b\u3068\u8003\u3048\u308b\u7656\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u307e\u305a\u306f\u639b\u3051\u7b97\u3067\u3059\u3002<\/p>\n<p>$65\uff0c85\uff0c39\uff0c52\uff0c1800 $\u3059\u3079\u3066\u306e\u7d20\u56e0\u6570\u5206\u89e3\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n<div class=\"sc_designlist ol parag blue\">\n<ul>\n<li>\u2022$65 = 5 \u00d7 13$<\/li>\n<li>\u2022$85 = 5 \u00d7 17$<\/li>\n<li>\u2022$39 = 3 \u00d7 13$<\/li>\n<li>\u2022$52 = 2^2 \u00d7 13$<\/li>\n<li>\u2022$1800 = 2^3 \u00d7 3^2 \u00d7 5^2$<\/li>\n<\/ul>\n<\/div>\n<p>\u3068\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u305d\u3057\u3066\uff0c$x\uff0cy\uff0cz\uff0cw$\u306e\u4e2d\u3067$y$\u3060\u3051\u3092\u6c42\u3081\u306a\u3055\u3044\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u307b\u3089\uff0c\u300c\u3042\u308c\uff0c$4$\u3064\u306e\u4e2d\u3067$y$\u306e\u4fc2\u6570\u3060\u3051\u304c$\u00d713$\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u305e\u300d\u3068\u6c17\u3065\u304f\u306f\u305a\u3067\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u305d\u3046\uff0c$y$\u306e\u9805\u4ee5\u5916\u3059\u3079\u3066$13$\u3067\u5272\u308a\u5207\u308c\u308b\u306e\u3067\u3059\u3002<br \/>\n\u3068\u3044\u3046\u3053\u3068\u306f\u5de6\u8fba\u3092$13$\u3067\u5272\u3063\u305f\u4f59\u308a\u306f\uff0c$85y$\u3092$13$\u3067\u5272\u3063\u305f\u4f59\u308a\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u3067\uff0c$1800$\u3092$13$\u3067\u5272\u308b\u3068\u4f59\u308a\u306f$6$\u3067\u3059\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\uff0c$85y$\u3092$13$\u3067\u5272\u3063\u305f\u4f59\u308a\u3082$6$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\uff0c$y$\u306f\u305d\u308c\u307b\u3069\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u306a\u305c\u306a\u3089\u5408\u8a08\u91d1\u984d\u304c$3600$\u5186\u3067\uff0c\u3042\u3058\u4ee5\u5916\u3082\u6700\u4f4e$1$ \u5339\u8cb7\u3063\u3066\u3044\u307e\u3059\u304b\u3089\uff0c\u3042\u3058\u306e\u5408\u8a08\u91d1\u984d\u306f\u3069\u3093\u306a\u306b\u9ad8\u304f\u3066\u3082$3600\u2212130\u221278\u2212104=3388$\u5186\u3067\u3059\u3002<\/p>\n<p>\u3088\u3063\u3066$170y \\leqq 3388 \\iff y \\leqq 19.9 \\cdots$\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3088\u3063\u3066$y$\u306f$1$\u4ee5\u4e0a$19$\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4e2d\u3067$85y$\u3092$13$\u3067\u5272\u3063\u305f\u3068\u304d\u306e\u4f59\u308a\u304c$6$\u3068\u306a\u308b\u306e\u306f\uff0c$85$\u3092$13$\u3067\u5272\u3063\u305f\u4f59\u308a\u304c$7$\u3067\u3042\u308b\u3053\u3068\u3092\u5229\u7528\u3059\u308b\u3068\uff0c$y=12$\u3057\u304b\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u306f\u5408\u540c\u5f0f\u3092\u8003\u3048\u3066\u3082\u3044\u3044\u3067\u3059\u3057\uff0c\u305f\u3063\u305f$19$\u7a2e\u985e\u3067\u3059\u304b\u3089\u5168\u90e8\u4ee3\u5165\u3057\u3066\u8abf\u3079\u3066\u3082\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3088\u3063\u3066\u3042\u3058\u306f$12$\u5339\u8cb7\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #efefff; background-color: #efefff; color: #333;\">\n<div class=\"sc_frame_text\">\u9069\u5f53\u306b\u305d\u306e\u5834\u51cc\u304e\u3067\u89e3\u304d\u65b9\u3092\u8003\u3048\u308b\u306e\u3067\u306f\u306a\u304f\uff0c\u6301\u3063\u3066\u3044\u308b\u9053\u5177\u3092\u3069\u3046\u4f7f\u3046\u304b\u3068\u3044\u3046\u8996\u70b9\u3067\u8003\u3048\u308b\u3068\u3053\u306e\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u7686\u3055\u3093\u306f\u89e3\u3051\u307e\u3057\u305f\u304b\uff1f<\/p>\n<h2 style=\"padding: .25em 0.5em .75em; border-left: 6px solid #3300ff; border-bottom: 1px solid #ccc;\"><strong>\u304a\u308f\u308a\u306b<\/strong><\/h2>\n<p><img decoding=\"async\" data-src=\"https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/07\/markus-spiske-IFCloi6PYOA-unsplash-300x200.jpg\" alt=\"\" width=\"640\" height=\"427\" class=\"alignnone wp-image-3753 lazyload\" data-srcset=\"https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/07\/markus-spiske-IFCloi6PYOA-unsplash-300x200.jpg 300w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/07\/markus-spiske-IFCloi6PYOA-unsplash-1024x683.jpg 1024w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/07\/markus-spiske-IFCloi6PYOA-unsplash-768x512.jpg 768w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/07\/markus-spiske-IFCloi6PYOA-unsplash-1536x1024.jpg 1536w, https:\/\/www.educational-lounge.com\/wp-content\/uploads\/2020\/07\/markus-spiske-IFCloi6PYOA-unsplash-2048x1365.jpg 2048w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u3044\u304b\u304c\u3060\u3063\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<div class=\"sc_frame_wrap solid custom\">\n<div class=\"sc_frame \" style=\"border-color: #f3f3f3; background-color: #f3f3f3; color: #333;\">\n<div class=\"sc_frame_text\">\u6574\u6570\u306e\u6027\u8cea\u306f\u571f\u53f0\u3055\u3048\u3057\u3063\u304b\u308a\u4f5c\u3063\u3066\u3057\u307e\u3048\u3070\u304b\u306a\u308a\u305f\u304f\u3055\u3093\u306e\u554f\u984c\u304c\u305d\u306e\u5834\u3067\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305a\u306f\u571f\u53f0\u4f5c\u308a\u304b\u3089\u9811\u5f35\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u306d\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u3067\u306f\u4eca\u56de\u306f\u3053\u306e\u8fba\u3067\u3002<br \/>\n\u307e\u305f\u6b21\u306e\u8a18\u4e8b\u3067\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n<script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjax\/2.7.5\/MathJax.js?config=TeX-AMS_CHTML\" type=\"text\/javascript\">    \n    MathJax.Hub.Config({\n        HTML: [\"input\/TeX\",\"output\/HTML-CSS\"],\n        TeX: {\n               Macros: {\n                        bm: [\"\\\\boldsymbol{#1}\", 1]},\n               extensions: [\"AMSmath.js\",\"AMSsymbols.js\",\"color.js\"],\n               equationNumbers: { autoNumber: \"AMS\" } },\n        extensions: [\"tex2jax.js\"],\n        jax: [\"input\/TeX\",\"output\/HTML-CSS\"],\n        tex2jax: { inlineMath: [ ['$','$'], [\"\\\\(\",\"\\\\)\"] ],\n                   displayMath: [ ['$$','$$']], \n                   processEscapes: true },\n        \"HTML-CSS\": { availableFonts: [\"TeX\"],\n                      linebreaks: { automatic: true } }\n    });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u6570\u5b66\u8b1b\u5e2b\u306e\u5927\u585a\u5fd7\u559c\u3067\u3059\u3002 \u3055\u3066\uff0c\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\uff0c\u6574\u6570\u306e\u6027\u8cea\u306e\u5b66\u7fd2\u65b9\u91dd\u306b\u3064\u3044\u3066\u304a\u8a71\u3057\u3057\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002 \u6574\u6570\u306b\u95a2\u3059\u308b\u5206\u91ce\u306f\u300c\u6570\u5b66\u306e\u5973\u738b\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u307b\u3069\u96e3\u554f\u306e\u591a\u3044\u5206\u91ce\u3067\u3059\u3002 \u4ed6\u306e\u5206\u91ce\u3067\u3082\u3082\u3061\u308d\u3093\u305d\u3046\u306a\u306e\u3067\u2026<\/p>\n","protected":false},"author":17,"featured_media":8113,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,144,5],"tags":[],"class_list":["post-8057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6","category-a","category-5"],"_links":{"self":[{"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/posts\/8057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8057"}],"version-history":[{"count":15,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/posts\/8057\/revisions"}],"predecessor-version":[{"id":8123,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/posts\/8057\/revisions\/8123"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=\/wp\/v2\/media\/8113"}],"wp:attachment":[{"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.educational-lounge.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}