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[不等式] 转一个 经典不等式吧 题目

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wanhuihua Posted 2018-5-6 19:47 |Read mode
Last edited by hbghlyj 2025-3-19 17:38\[
\sum \frac{4 a}{(a+b)^2} \leqslant \sqrt{\sum \frac{3}{a b}}
\]

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chudengshuxue Posted 2018-5-6 20:25
请万教授看一下下面的“三元条件不等式”,谢谢!

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