{"title":"\u30d1\u30b9\u30ab\u30eb\u306e\u4e09\u89d2\u5f62\u306e\u6a2a\u5217","width":"100%","description":"\u30d1\u30b9\u30ab\u30eb\u306e\u4e09\u89d2\u5f62\u304c\u3042\u3063\u3066\u3001 0: 1 1: 1 1 2: 1 2 1 3: 1 3 3 1 4: 1 4 6 4 1 5: 1 5 10 10 5 1 6: 1 6 15 20 15 6 1\u6a2a\u5217\u3092\u6c42\u3081\u305f\u3044\u3002 \u4f8b\u3048\u3070\u30016\u306e\u6a2a\u5217\u3092\u6c42\u3081\u305f\u3044\u3068\u3059\u308b\u30021\u306f\u3068\u308a\u3042\u3048\u305a\u7f6e\u3044\u3068\u3044\u3066\u30026/1\u500d\u3057\u3066\u30016 5/2\u500d\u3057\u3066\u300115 4/3\u500d\u3057\u3066\u300120 3/4\u500d\u3057\u3066\u300115 2/5\u500d\u3057\u3066\u30016 1/6\u500d\u3057\u3066\u30011 \u6f38\u5316\u5f0f\u306b\u3059\u308b\u3068\u3001nC1 = 1 nCr = (n - r + 1) * nC(r-1) / r\u4f55\u6c17\u306a\u304f\u4f7f\u3063\u3066\u305f\u3093\u3060\u3051\u3069\u3001\u5206\u89e3\u3057\u3066\u307f\u308b\u3068\u51c4\u3044\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3060\u3063\u305f\u3093\u3060\u306a\u3041\u3068\u601d\u3063\u3066\u307f\u305f\u3002 \u4e0b\u964d\u968e\u4e57\u51aa\u3068\u4e0a\u6607\u968e\u4e57\u51aa\u3092\u3046\u307e\u304f\u7d44\u307f\u5408\u308f\u2026","author_name":"tanakaBox","type":"rich","blog_title":"\u30dc\u30af\u30ce\u30b9","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20080427%2F1209251690\" title=\"\u30d1\u30b9\u30ab\u30eb\u306e\u4e09\u89d2\u5f62\u306e\u6a2a\u5217 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","image_url":null,"provider_name":"Hatena Blog","blog_url":"https://boxnos.hatenablog.com/","provider_url":"https://hatena.blog","url":"https://boxnos.hatenablog.com/entry/20080427/1209251690","author_url":"https://blog.hatena.ne.jp/tanakaBox/","published":"2008-04-27 08:14:50","categories":[]}