even if we should change 16 to 20....we get C(21,4)=...

皆兄弟也 · 2010-09-08 10:03:46Z

even if we should change 16 to 20....we get C(21,4)=...簡介

來源: 皆兄弟也於 2010-09-08 10:03:46 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: I think we should change 16 to 20....we get C(24,4)=... 由 jinjing 於 2010-09-08 09:35:30

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