回复：大上午有人想做脑力运动吗？看看这道3年级题。

来源: calligraphy 于 2010-03-10 11:15:32 [] [旧帖] [给我悄悄话] 阅读数 : (198 bytes)
本帖于 2010-04-08 17:55:41 时间, 由版主 于德利 编辑

Let the other guy take first, then in my turn, I always take 1, 2, 3, or 4 to make the leftover 95, 90, 85, ..., 5.
Now after the opponent take any from remaining 5, I can take whatever was left.

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