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Discuz Math Forum»Forum › Mathematics › High School › 转：$a,b>0,ab=1 ,2^{a+b}\ge 2^a+2^b$
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Author: realnumber

[不等式] 转：$a,b>0,ab=1 ,2^{a+b}\ge 2^a+2^b$

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其妙

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其妙 Posted 2016-7-2 16:37
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2025-6-3 06:43 GMT+8

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