{"url":"https://wasan.hateblo.jp/entry/20220527/1653611743","height":"190","description":"\u73fe\u4ee3\u548c\u7b97\u6570\u5b66\u7814\u7a76\u30a2\u30f3\u30c6\u30ca\u304c\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f\u25a0\u22122022/05/27 04:16:12 Recent Problems - Project Euler https://projecteuler.net/recent90 111 187\u25a0\u22122022/05/27 02:29:03 \u9ad8\u6821\u6570\u5b66\u306e\u7f8e\u3057\u3044\u7269\u8a9e | \u5b9a\u671f\u8a66\u9a13\u304b\u3089\u6570\u5b66\u30aa\u30ea\u30f3\u30d4\u30c3\u30af\u307e\u3067700\u8a18\u4e8b http://mathtrain.jp/1 \u6ce2\u7dda\u90e8\u306e\u3042\u3068\u3001\u3059\u3050\u306b ?\u306e\u5224\u5225\u5f0f\u3092\uff24\u3068\u3059\u308b\u3068\u3001D=0 \u3068\u66f8\u304f\u306e\u306f\u8ad6\u7406\u306e\u98db\u8e8d\u306b\u306a\u308a\u307e\u3059\u304b? 2 $$x^3 - 3(a+2)x^2 + 6(a^2+a)x - 4a^3 = 0$$\uff08a\u306f\u5b9f\u6570\u306e\u5b9a\u6570\u9805\uff09\u306f\u3001\u306a\u305cf(a\u2026","blog_title":"\u56de\u5e30\u71b1\uff01\u73fe\u4ee3\u548c\u7b97\u7814\u7a76","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/shinshu_us/","type":"rich","categories":[],"version":"1.0","width":"100%","blog_url":"https://wasan.hateblo.jp/","author_name":"shinshu_us","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwasan.hateblo.jp%2Fentry%2F20220527%2F1653611743\" title=\"\u306f\u3066\u306a\u30a2\u30f3\u30c6\u30ca \u30da\u30fc\u30b8\u304c\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f - \u56de\u5e30\u71b1\uff01\u73fe\u4ee3\u548c\u7b97\u7814\u7a76\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","title":"\u306f\u3066\u306a\u30a2\u30f3\u30c6\u30ca \u30da\u30fc\u30b8\u304c\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f","image_url":null,"published":"2022-05-27 09:35:43"}