{"id":834,"date":"2020-06-30T08:32:00","date_gmt":"2020-06-30T08:32:00","guid":{"rendered":"https:\/\/kukan-joho.plus\/?p=834"},"modified":"2024-03-06T00:58:50","modified_gmt":"2024-03-06T00:58:50","slug":"math-magic","status":"publish","type":"post","link":"https:\/\/club.informatix.co.jp\/?p=834","title":{"rendered":"\u52d5\u7269\u30ab\u30fc\u30c9\u3084\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u4f7f\u3063\u305f\u6570\u5b57\u30de\u30b8\u30c3\u30af\uff5c\u3042\u306a\u305f\u3082\u30c1\u30e3\u30ec\u30f3\u30b8\uff01"},"content":{"rendered":"<p>\u4eca\u56de\u306f\u6570\u5b66\u30de\u30b8\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/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-69f2959e7540c\" 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-69f2959e7540c\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list 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ez-toc-heading-7\" href=\"https:\/\/club.informatix.co.jp\/?p=834\/#%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF%E3%82%AD%E3%83%83%E3%83%88%E3%81%AE%E3%81%94%E7%B4%B9%E4%BB%8B\" >\u30de\u30b8\u30c3\u30af\u30ad\u30c3\u30c8\u306e\u3054\u7d39\u4ecb<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"%E5%8B%95%E7%89%A9%E5%BD%93%E3%81%A6%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF\"><\/span>\u52d5\u7269\u5f53\u3066\u30de\u30b8\u30c3\u30af<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-860\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2020-p\/06\/20200629_1-1.jpg\" alt=\"\" width=\"550\" height=\"334\" \/><\/p>\n<p>\u52d5\u7269\u5f53\u3066\u30de\u30b8\u30c3\u30af\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\u5e72\u652f\u30fb\u5341\u4e8c\u652f\u306e\u5b50\u30fb\u4e11\u30fb\u5bc5\u30fb\u536f\u30fb\u8fb0\u30fb\u5df3\u30fb\u5348\u30fb\u672a\u30fb\u7533\u30fb\u9149\u30fb\u620c\u30fb\u4ea5\u304b\u3089\u597d\u304d\u306a\u52d5\u7269\u30921\u3064\u9078\u3093\u3067\u79d8\u5bc6\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3042\u306a\u305f\u304c\u9078\u3093\u3060\u52d5\u7269\u3092\u5f53\u3066\u3066\u3054\u3089\u3093\u306b\u3044\u308c\u307e\u3057\u3087\u3046\u3002<br 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\/>\nA\u3055\u3093\u300c\u6b63\u89e3\u3067\u3059\u3002\u300d<\/p>\n<p>\u79c1\u300cB\u3055\u3093\u3001\u540c\u3058\u304f\u3042\u306a\u305f\u306e\u9078\u3093\u3060\u52d5\u7269\u304c\u63cf\u304b\u308c\u305f\u30ab\u30fc\u30c9\u306e\u8272\u3092\u3059\u3079\u3066\u304a\u3057\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u300d<br \/>\nB\u3055\u3093\u300c\u8d64\u3068\u9ec4\u3068\u7dd1\u3067\u3059\u3002\u300d<br \/>\n\u79c1\uff08\u9593\u9aea\u3092\u5165\u308c\u305a\uff09\u300c\u3042\u306a\u305f\u306e\u9078\u3093\u3060\u52d5\u7269\u306f\u725b\u3067\u3059\u306d\u3002\u300d<br \/>\nB\u3055\u3093\u300c\u6b63\u89e3\u3067\u3059\u3002\u300d<\/p>\n<p>\u79c1\u300cC\u3055\u3093\u3001\u540c\u3058\u304f\u3042\u306a\u305f\u306e\u9078\u3093\u3060\u52d5\u7269\u304c\u63cf\u304b\u308c\u305f\u30ab\u30fc\u30c9\u306e\u8272\u3092\u3059\u3079\u3066\u304a\u3057\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u300d<br \/>\nC\u3055\u3093\u300c\u9ec4\u3067\u3059\u3002\u300d<br \/>\n\u79c1\uff08\u9593\u9aea\u3092\u5165\u308c\u305a\uff09\u300c\u3042\u306a\u305f\u306e\u9078\u3093\u3060\u52d5\u7269\u306f\u3046\u3055\u304e\u3067\u3059\u3002\u300d<br \/>\nC\u3055\u3093\u300c\u6b63\u89e3\u3067\u3059\u3002\u300d<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%8B%95%E7%89%A9%E5%BD%93%E3%81%A6%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF%E3%81%AE%E7%A7%98%E5%AF%86\"><\/span>\u52d5\u7269\u5f53\u3066\u30de\u30b8\u30c3\u30af\u306e\u79d8\u5bc6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3067\u306f\u30d2\u30f3\u30c8\u304b\u3089\u3069\u3046\u3084\u3063\u3066\u52d5\u7269\u3092\u5f53\u3066\u3066\u3044\u308b\u306e\u304b\u3001\u305d\u306e\u79d8\u5bc6\u306f\u6570\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u306f12\u5339\u306e\u52d5\u7269\u30684\u679a\u306e\u30ab\u30fc\u30c9\u306b\u306f\u6570\u304c\u632f\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-861\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2020-p\/06\/20200629_2-1.jpg\" alt=\"\" width=\"550\" height=\"323\" \/><\/p>\n<p>\u52d5\u7269\u306f\u5de6\u304b\u3089\u9806\u306b1\u304b\u308912\u3067\u3001\u30ab\u30fc\u30c9\u306f\u53f3\u304b\u3089\u9806\u306b1,2,4,8\u3002<\/p>\n<p>\u3055\u3066\u3001\u300c\u3042\u306a\u305f\u306e\u9078\u3093\u3060\u52d5\u7269\u304c\u63cf\u304b\u308c\u305f\u30ab\u30fc\u30c9\u306e\u8272\u3092\u3059\u3079\u3066\u304a\u3057\u3048\u3066\u304f\u3060\u3055\u3044\u300d\u306e\u8fd4\u7b54\u306e\u3059\u3079\u3066\u306e\u30ab\u30fc\u30c9\u306e\u6570\u306e\u548c\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<p>\u9ec4\u3068\u7dd1\u3067\u3042\u308c\u3070\u30012+4=6\u3002\u3059\u308b\u3068\u5de6\u304b\u30896\u756a\u76ee\u306e\u52d5\u7269\u3001\u99ac\u304c\u7b54\u3048\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u8d64\u3068\u9ec4\u3068\u7dd1\u3067\u3042\u308c\u3070\u30011+2+4=7\u306a\u306e\u3067\u3001\u5de6\u304b\u30897\u756a\u76ee\u306e\u52d5\u7269\u3001\u725b\u304c\u7b54\u3048\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u9ec4\u3067\u3042\u308c\u3070\u30012\u306a\u306e\u3067\u3001\u5de6\u304b\u30892\u756a\u76ee\u306e\u52d5\u7269\u3001\u3046\u3055\u304e\u304c\u7b54\u3048\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u79d8\u5bc6\u3055\u3048\u77e5\u3063\u3066\u3044\u308c\u3070\u52d5\u7269\u5f53\u3066\u30de\u30b8\u30c3\u30af\u306f\u5b9f\u6f14\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%82%AB%E3%83%AC%E3%83%B3%E3%83%80%E3%83%BC%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF\"><\/span>\u30ab\u30ec\u30f3\u30c0\u30fc\u30de\u30b8\u30c3\u30af<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-862\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2020-p\/06\/20200629_3-1.jpg\" alt=\"\" width=\"397\" height=\"268\" \/><\/p>\n<p>\u4eca\u5ea6\u306f\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u4f7f\u3063\u305f\u8db3\u3057\u7b97\u30de\u30b8\u30c3\u30af\u3067\u3059\u3002<\/p>\n<p>\u300c\u3059\u304d\u306a\u3068\u3053\u308d\u30013\u00d73\u306e9\u3064\u306e\u6570\u5b57\u3092\u56db\u89d2\u3067\u56f2\u3093\u3067\u304f\u3060\u3055\u3044\u300d<br \/>\n\u300c\u3067\u306f\u3001\u305d\u306e9\u3064\u306e\u6570\u306e\u5408\u8a08\u306f\u3044\u304f\u3064\u3067\u3057\u3087\u3046\u304b\u300d<\/p>\n<p>\u3068\u554f\u3044\u304b\u3051\u3001\u76f8\u624b\u304c\u7b54\u3048\u3089\u308c\u306a\u3044\u3068\u3053\u308d\u3067<\/p>\n<p>\u300c\u7b54\u3048\u306f81\u3067\u3059\u300d<\/p>\n<p>\u3068\u30d1\u30c3\u3068\u7b54\u3048\u308b\u30ab\u30ec\u30f3\u30c0\u30fc\u8db3\u3057\u7b97\u30de\u30b8\u30c3\u30af\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%AB%E3%83%AC%E3%83%B3%E3%83%80%E3%83%BC%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF%E3%81%AE%E7%A7%98%E5%AF%86\"><\/span>\u30ab\u30ec\u30f3\u30c0\u30fc\u30de\u30b8\u30c3\u30af\u306e\u79d8\u5bc6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: center;\">9\u3064\u306e\u6570\u306e\u5408\u8a08\uff1d\u771f\u3093\u4e2d\u306e\u6570\u00d79<\/p>\n<p>\u3053\u308c\u304c\u3059\u3050\u306b\u7b54\u3048\u3089\u308c\u308b\u79d8\u5bc6\u3067\u3059\u3002<\/p>\n<p>\u5148\u306e\u554f\u984c\u306f\u3001\u771f\u3093\u4e2d\u306e\u6570\u304c9\u306a\u306e\u30679\u00d79\uff1d81\u3068\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-863\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2020-p\/06\/20200629_4-1.jpg\" alt=\"\" width=\"400\" height=\"274\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%EF%BC%99%E5%80%8D%E3%81%AE%E3%81%8B%E3%81%91%E7%AE%97%E3%81%AE%E5%B7%A5%E5%A4%AB\"><\/span>\uff19\u500d\u306e\u304b\u3051\u7b97\u306e\u5de5\u592b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u30de\u30b8\u30c3\u30af\u3092\u30b9\u30de\u30fc\u30c8\u306b\u5b9f\u6f14\u3059\u308b\u30b3\u30c4\u306f\u30019\u500d\u306e\u304b\u3051\u7b97\u3092\u7d20\u65e9\u304f\u3067\u304d\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u771f\u3093\u4e2d\u306e\u6570\u304c1\u6841\u3067\u3042\u308c\u3070\u304b\u3051\u7b97\u4e5d\u4e5d\u3067OK\u3067\u3059\u304c\u30012\u6841\u306b\u306a\u308b\u3068\u5de5\u592b\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\">9\u500d\u3059\u308b\u304b\u3051\u7b97\u306f\u3001\u3044\u3063\u305f\u309310\u500d\u3057\u3066\u30011\u3064\u5206\u3092\u5f15\u304f<\/p>\n<p>12\u00d79\u3067\u3042\u308c\u3070\u3001\u3044\u3063\u305f\u309312\u309210\u500d\u3057\u3066120\u3001\u305d\u3053\u304b\u30891\u3064\u5206\u306e12\u3092\u5f15\u304d\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\">120-12=108<\/p>\n<p>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-864\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2020-p\/06\/20200629_5.jpg\" alt=\"\" width=\"400\" height=\"284\" \/><\/p>\n<p>\u3067\u306f\u7df4\u7fd2\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u771f\u3093\u4e2d\u306e\u6570\u304c23\u3060\u3063\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n<p style=\"text-align: center;\">230-23=207<\/p>\n<p>\u3068\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u308f\u3051\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-865\" src=\"https:\/\/club.informatix.co.jp\/wp-content\/uploads\/2020-p\/06\/20200629_6.jpg\" alt=\"\" width=\"400\" height=\"259\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%95%B0%E5%AD%A6%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF%E3%81%AE%E3%82%BF%E3%83%8D%E6%98%8E%E3%81%8B%E3%81%97\"><\/span>\u6570\u5b66\u30de\u30b8\u30c3\u30af\u306e\u30bf\u30cd\u660e\u304b\u3057<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30de\u30b8\u30c3\u30af\u306f\u30bf\u30cd\u660e\u304b\u3057\u304c\u918d\u9190\u5473\u3067\u3059\u3002<\/p>\n<p>\u6570\u5b66\u30de\u30b8\u30c3\u30af\u3082\u540c\u3058\u3067\u3059\u3002\u52d5\u7269\u5f53\u3066\u30de\u30b8\u30c3\u30af\u306f\u306a\u305c\u30014\u8272\u306e\u30ab\u30fc\u30c9\u304c1,2,4,8\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u30ab\u30ec\u30f3\u30c0\u30fc\u30de\u30b8\u30c3\u30af\u306f\u3001\u306a\u305c\u771f\u3093\u4e2d\u306e\u6570\u00d79\u3068\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3053\u306e\u5148\u304c\u6570\u5b66\u306e\u4e16\u754c\u3067\u3059\u3002\u30de\u30b8\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u6f14\u3057\u306a\u304c\u3089\u3001\u305d\u306e\u8b0e\u89e3\u304d\u3092\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30bf\u30cd\u660e\u304b\u3057\u306e\u79d8\u5bc6\u306f<a href=\"https:\/\/club.informatix.co.jp\/?p=1179\" target=\"_blank\" 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href=\"https:\/\/www.amazon.co.jp\/%E3%81%8B%E3%82%93%E3%81%9F%E3%82%93%E3%83%9E%E3%82%B9%E3%82%BF%E3%83%BC-%E7%AE%97%E6%95%B0%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF%E3%82%AD%E3%83%83%E3%83%88-%E6%95%B0%E3%81%AE%E9%AD%94%E8%A1%93%E5%B8%AB-%E7%A7%91%E5%AD%A6%E3%81%A8%E5%AD%A6%E7%BF%92PRESENTS-%E6%A1%9C%E4%BA%95%E9%80%B2\/dp\/4057506063\/ref=as_li_ss_il?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&amp;dchild=1&amp;keywords=%E3%81%8B%E3%82%93%E3%81%9F%E3%82%93%E3%83%9E%E3%82%B9%E3%82%BF%E3%83%BC+%E7%AE%97%E6%95%B0%E3%83%9E%E3%82%B8%E3%83%83%E3%82%AF%E3%82%AD%E3%83%83%E3%83%88+%E6%95%B0%E3%81%AE%E9%AD%94%E8%A1%93%E5%B8%AB&amp;qid=1596443700&amp;sr=8-1&amp;linkCode=li3&amp;tag=ifxmarketing-22&amp;linkId=f6ccfd7fb89aaa023c1b73065d432608&amp;language=ja_JP\" target=\"_blank\" rel=\"noopener noreferrer\"><\/a><img decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" 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