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汗，少了一个０In Reply To:Re:唉，数学不好，不知道C(10000000000,999999999)=C(10000000000,1)=10000000000是如何成立的，我是得到C(10000000000,999999999)=C(10000000000,9000000001） Posted by:honghu at 2006-04-23 22:58:29 > Followed by: Post your reply here: |
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