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我感觉确实只有那两种情况In Reply To:Re:谁能够给出一个简单的证明:只要是能解开的绳子都可以通过解那两种基本的结解开? Posted by:frkstyc at 2005-05-06 00:35:52 > 我感觉是有反例的,可以找uni造一个看看 > Followed by:
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