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[几何] 2015泰州高三期末三角试题

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aishuxue Post time 2015-2-7 10:15 |Read mode
1.png

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Tesla35 Post time 2015-2-7 12:06
$\frac{\sqrt{5}}{5}$均值不等式一步搞定。有啥难的

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爪机专用 Post time 2015-2-7 12:20
回复 2# Tesla35

585V587

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luren8asdf Post time 2015-2-7 21:24
我算出答案是$\sqrt{5}/5$
但是方法比较麻烦

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test Post time 2015-2-7 22:46
585撸个过程吧

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其妙 Post time 2015-2-10 21:47
585撸个过程吧
test 发表于 2015-2-7 22:46

see here:blog.sina.com.cn/s/blog_b2fc28900102vfrh.html

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test Post time 2015-2-10 23:02
回复 6# 其妙

擦,博客党……
题目居然有两个版本,真逗,不过你看了他的解法吗?(没有 b=c 的版本)

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