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[不等式] 国庆接力

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v6mm131 Post time 2015-10-1 22:52 |Read mode
本帖最后由 v6mm131 于 2015-10-2 12:31 编辑 正整数$a_1,a_2,a_3,\cdots ,a_n$满足$\frac{1}{a_1}+\frac{1}{a_2}+\cdots +\frac{1}{a_n}=1$.求证:Max{$a_1,a_2,a_3,\cdots a_n$}$\leqslant $  $n{^2^{n-1}}$

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Tesla35 Post time 2015-10-3 19:33
2015年北大夏令营的数学测试题

手机版|悠闲数学娱乐论坛(第3版)

2025-3-6 17:10 GMT+8

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