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Re:关于楼上理论我的证明:

Posted by wsy217 at 2009-04-15 16:36:27 on Problem 2965
In Reply To:Re:关于楼上理论我的证明: Posted by:conghavefun at 2009-03-14 10:19:46
关键是如何证明这是最小的步数呢?

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