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Re:为什么是10啊____|_____In Reply To:为什么是10啊____|_____ Posted by:tianjie at 2007-06-07 05:55:46 "____|_____"是十个字符，而除了"|"的概率是100%，因为从"|"往两边滚，都可以到达终点； 其它的都是0%。所以是100/10。 Followed by: Post your reply here: |
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