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我这样算错了吗，请指教。。

Posted by fjnu_jxd_010 at 2005-07-28 15:44:57 on Problem 2508
In Reply To:两个字形容 Posted by:frkstyc at 2005-07-28 15:31:39

Followed by:

2*pi*r*1/4=4.71,，，那4.54是怎么算的？ (0) fjnu_jxd_010 2005-07-28 15:51:16
- 我知道了，是4。54，刚才2*pi-a也改了---但还wa ：。（ (0) fjnu_jxd_010 2005-07-28 15:57:16
- 我知道了，是4。54，刚才2*pi-a也改了---但还wa ：。（，高手们再看看。。 (666) fjnu_jxd_010 2005-07-28 15:57:52
  - ac了，发贴庆祝。。谢大虾们。。。 (750) fjnu_jxd_010 2005-07-28 16:09:07
    - cong~ (0) yreto 2005-07-29 17:35:15

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