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Re:手里的石头和箱子里的石头也一定不同吗?

Posted by busycai at 2005-10-16 16:30:21 on Problem 2670
In Reply To:手里的石头和箱子里的石头也一定不同吗? Posted by:ACM30402 at 2005-10-16 12:48:05
如果手里的石头跟箱子里面的石头是一样的,就不用打开箱子了.

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