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我没看题。我说的并是所有圈中边的并等于边集,您说的是点集?

Posted by wywcgs at 2008-12-09 21:31:14
In Reply To:不是这样的好像, 一个点只能在一个圈中。 Posted by:chaeyeon at 2008-12-09 19:42:33


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