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用下面的数依次对上面的数取最大公约数，然后一起除以它，最后把上面乘起来就行了

Posted by JiangLY at 2005-06-04 23:27:32 on Problem 1014
In Reply To:好像先把大的数对某个小数取模然后搜索一下就ok了，也不知道这么做的道理。 Posted by:achilles at 2005-06-04 22:52:26

把公式化简为：
(N-M+1)*……*M
---------------
      M!

Followed by:

？？？？这个是胡闹吧？弄错题了吧？ (58) frkstyc 2005-06-04 23:29:00
- Sorry，回错了:) (0) JiangLY 2005-06-04 23:34:46
  - 有空替我看一下1375吧，找不到错郁闷了 (0) frkstyc 2005-06-04 23:37:11
    - 那些高等数学的几何题我是不行的了…… (0) JiangLY 2005-06-04 23:38:12
      - 那个是解析几何…… (0) frkstyc 2005-06-04 23:40:32
        差不多，初三学解析几何…… (0) JiangLY 2005-06-04 23:41:30

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