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巧猜围棋子
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Jerry
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Dec 28, 2006, 7:56:49 PM
12/28/06
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A双手握拳放置胸前,称手中握有一枚硬币,要你来猜硬币是放于左手还是右手。条件是:允许你问他一个只能回答"是"或"否"的问题,但是他可以回答真话,也可以回答假话。如何发问才能从其回答的"是"或"否"中判断出硬币在A的左手还是右手之中?
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