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Re:c(2 ,2 ) = c( 1 , 1) + c( 1 ,2 ) 这里的c(1 ,2) 无定义怎么处理???In Reply To:c(2 ,2 ) = c( 1 , 1) + c( 1 ,2 ) 这里的c(1 ,2) 无定义怎么处理??? Posted by:zengkui at 2007-04-28 13:14:16 C(n,k)=0 (n<0或0<k<n) Followed by: Post your reply here: |
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