TOO EASY

来源: 2011-12-09 11:03:51 [旧帖] [给我悄悄话] 本文已被阅读:

First 99 use 1 color, the 100th use another color.

So the 100th is very sure about his color.

If 1~99th understand why 100th is so sure, they all can figure out they are the same but different from 100th.