2378| 12
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[不等式] $求证a^{2a}+b^{2b}+c^{2c}≥a^{b+c}+b^{a+c} +c^{a+b}$ |
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楼主|
踏歌而来
发表于 2014-4-1 18:58
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楼主|
踏歌而来
发表于 2014-4-2 07:11
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楼主|
踏歌而来
发表于 2014-4-2 07:46
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