设为n个正实数,且证明:

设<img src='https://img2.soutiyun.com/ask/2021-02-04/981303293638188.png' />为n个正实数,且 <img src='https://img2.soutiyun.com/ask/2021-02-04/981303300521582.png' /> 证明:<img src='https://img2.soutiyun.com/ask/2021-02-04/981303307013954.png' />

时间:2023-02-14 16:50:26

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