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Author: hongxian

[几何] 请教一个向量问题,先谢谢了!

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走走看看 Posted at 2017-10-26 21:48:27
回复 11# 其妙

证得很好,但有一点笔误。$当n是偶数时,m=\frac{n+2}{2},错误,应改为m=\frac{2k+n}{2}$。

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走走看看 Posted at 2017-10-26 22:51:23
回复 34# 007

高!

手机版Mobile version|Leisure Math Forum

2025-4-20 21:38 GMT+8

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