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Re:一道简单的数论题In Reply To:Re:一道简单的数论题 Posted by:gsyagsy at 2008-05-02 13:12:07 > 嗯，而且计算N！中2的阶数，只要计算N/2+N/4…… 我也是这么做的，受那种求n!末尾有多少个0的题启发 Followed by: Post your reply here: |
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