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[不等式] 函数，不等式

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苏少波Daniel posted 2018-7-17 23:35 |Read mode
群题，超出个人能力范围之内，求高手解决。
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yao4015

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yao4015 posted 2018-7-18 12:25
回复 1# 苏少波Daniel
$x$ 的范围没指明啊, 是 $x>0$ 吗?
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original poster 苏少波Daniel posted 2018-7-18 13:45
回复 2# yao4015

是的
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