2871| 17
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[不等式] 证明$a^5+b^5+c^5\geqslant abc(a^2+b^2+c^2)$ |
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Author|
isee
Posted 2019-6-8 19:49
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Author|
isee
Posted 2019-6-16 11:54
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Author|
isee
Posted 2019-6-16 17:37
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2025-5-31 10:51 GMT+8
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