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[函数] 一个函数不等式改编

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等待hxh posted 2014-5-8 15:55 |Read mode
kk.jpg (此不等式我用软件验证无误)

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其妙 posted 2014-5-8 22:47
回复 1# 等待hxh
什么软件呀?学一下你是怎么验证的?能否截图看看?

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realnumber posted 2014-5-12 19:11
也许可以模仿21~23楼证明吧,数据头大,不敢动.
forum.php?mod=viewthread&tid=2517&extra=page=1&page=3

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其妙 posted 2014-5-12 23:20
回复 3# realnumber
那个链接里的22楼的那个方法就是各地的模拟题的常见方法。
也是那个链接里3楼里写的第3和第4个关于$\ln x$的不等式

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