{"blog_title":"hanamurayoshihisa\u2019s diary","provider_url":"https://hatena.blog","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhanamurayoshihisa.hatenadiary.jp%2Fentry%2F2025%2F05%2F15%2F162516\" title=\"\u30b7\u30ca\u30b8\u30fc\u306e\u30e1\u30bf\u30d5\u30a1\u30fc\u306e\u305f\u3081\u306b\u4e00\u4f5c\u5bb6\u4e00\u4f5c\u54c1\u3067\u3067\u304d\u308b\u3053\u3068\uff0d\u30c8\u30fc\u30de\u30b9\u30fb\u30de\u30f3\u300c\u9b54\u306e\u5c71\u300d\uff18 - hanamurayoshihisa\u2019s diary\" 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":"\u30b7\u30ca\u30b8\u30fc\u306e\u30e1\u30bf\u30d5\u30a1\u30fc\u306e\u305f\u3081\u306b\u4e00\u4f5c\u5bb6\u4e00\u4f5c\u54c1\u3067\u3067\u304d\u308b\u3053\u3068\uff0d\u30c8\u30fc\u30de\u30b9\u30fb\u30de\u30f3\u300c\u9b54\u306e\u5c71\u300d\uff18","width":"100%","blog_url":"https://hanamurayoshihisa.hatenadiary.jp/","version":"1.0","image_url":null,"type":"rich","url":"https://hanamurayoshihisa.hatenadiary.jp/entry/2025/05/15/162516","author_name":"hanamurayoshihisa","author_url":"https://blog.hatena.ne.jp/hanamurayoshihisa/","published":"2025-05-15 16:25:16","description":"\u8a08\u7b97\u8868\uff21 4 1 \u5408\u8a085\u504f\u5dee 1.5 -1.5 \u5408\u8a08\uff10\u504f\u5dee2 2.25 2.25 \u5408\u8a084.5B 2 3 \u5408\u8a085\u504f\u5dee 0.5 -0.5 \u5408\u8a080\u504f\u5dee2 1 1 \u5408\u8a082AB\u504f\u5dee\u306e\u7a4d -0.75 -0.75 \u5408\u8a08-1.5 \u25c6\u76f8\u95a2\u4fc2\u6570\u306f\u3001\u6b21\u306e\u516c\u5f0f\u3067\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u76f8\u95a2\u4fc2\u6570=\uff3b\uff08A-A\u306e\u5e73\u5747\u5024\uff09x\uff08B-B\u306e\u5e73\u5747\u5024\uff09\uff3d\u306e\u548c\uff0f\u221a\uff08A-A\u306e\u5e73\u5747\u5024\uff092\u306e\u548cx\uff08B-B\u306e\u5e73\u5747\u5024\uff092\u306e\u548c\u4e0a\u8a18\u8a08\u7b97\u8868\u3092\u4ee3\u5165\u3059\u308b\u3068\u3001\u76f8\u95a2\u4fc2\u6570 = -1.5\uff0f\u221a4.5 x 2 = -1.5\uff0f\u221a9 = -1.5\uff0f3 = -0.5\u5f93\u3063\u3066\u3001\u304b\u306a\u308a\u8ca0\u306e\u76f8\u95a2\u304c\u3042\u308b\u3068\u3044\u3048\u308b\u3002 \u82b1\u6751\u5609\u82f1\uff082019\uff09\u300c\u30b7\u30ca\u30b8\u30fc\u306e\u30e1\u30bf\u30d5\u30a1\u30fc\u306e\u305f\u3081\u306b\u4e00\u4f5c\u5bb6\u4e00\u4f5c\u54c1\u3067\u3067\u304d\u308b\u3053\u3068\uff0d\u2026","height":"190"}