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Re:不理解这题什么意思? 谁能翻译一下,感激不尽……

Posted by wangfengtian at 2008-12-19 16:22:56 on Problem 1250
In Reply To:不理解这题什么意思? 谁能翻译一下,感激不尽…… Posted by:visual at 2006-05-26 13:15:50
我也不理解,高手解释一下吧,字母代表什么

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