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Re:公式的推导In Reply To:Re:公式的推导 Posted by:skogt at 2010-07-28 09:11:56 当n=15时，我a=7,k=1,(7+0.5*1)(1+1)=15; k是偶数的，这个你怎么解释 Followed by: Post your reply here: |
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