I have realized that it is wrong.

皆兄弟也 · 2010-09-14 10:53:35Z

I have realized that it is wrong.簡介

來源: 皆兄弟也於 2010-09-14 10:53:35 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: n=2,your first Q is wrong. In fact t, you can choice any (n-1) 由 jinjing 於 2010-09-14 10:41:32

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