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这个不难证吧,动下脑子就可以了啊

Posted by liulibo133 at 2007-01-25 03:57:44 on Problem 3146
In Reply To:"对任意正整数n,n!含有的素数因子P的个数为n/p+n/p^2+n/p^3......" -----这句话怎么解释? Posted by:butter at 2007-01-24 20:49:03


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