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等比数列求和公式。。。

Posted by sunmoonstar_love at 2005-08-08 16:30:45 on Problem 2539
In Reply To:如何证明要b|a，结果才能是整数？ Posted by:fjnu_jxd_010 at 2005-08-08 16:29:20

Followed by:

列出来就看到了 (0) sunmoonstar_love 2005-08-08 16:31:00
Re:等比数列求和公式。。。 (0) fjnu_jxd_010 2005-08-08 16:35:53
强。。。！长见识了 (0) fjnu_jxd_010 2005-08-08 16:37:09
- ....这个高中的公式 (0) sunmoonstar_love 2005-08-08 16:38:09
  - 我想看看你证明的逻辑，感觉不是写出那条式子就完事的 (0) frkstyc 2005-08-08 16:39:03
    - if a == b , 1; if(a<b) 小于1的小数， if a>b, 整式除法，要求余数为零。。。。 (0) sunmoonstar_love 2005-08-08 16:44:47
      - good. this is what i want (0) frkstyc 2005-08-08 16:45:16
    - Re:我想看看你证明的逻辑，感觉不是写出那条式子就完事的 (284) achilles 2005-08-08 18:26:35
      - prove it like this (320) achilles 2005-08-08 19:51:37
        Re:prove it like this (691) gemenhao 2006-04-07 14:48:19
        good prove (0) hello__world 2009-02-11 15:18:17

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