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UP! 麻烦高手指点一下In Reply To:那个公式的b*(n-1)/2 是什么意思？，那个公式是怎么推出来的，麻烦高手指点一下，呵呵。。。 Posted by:tcx at 2005-07-22 20:06:09 Followed by: Post your reply here: |
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