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Re:问一个问题哈In Reply To:问一个问题哈 Posted by:200609020331 at 2009-03-05 16:59:25 > 为什么初度与入度的和为N-1就能把它确定出来，小弟一直没明白，数学基础差了，感谢各位帮我解答一下，谢谢！！ 排在他前面的和排在他后面的总共有n-1个的话，当然他的位置也就确定了 Followed by:
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