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Re:r=abc/4S

Posted by hdm29682 at 2006-02-15 21:12:50 on Problem 2242
In Reply To:r=abc/4S Posted by:frkstyc at 2005-05-16 00:11:11

请问4S是什么？

Followed by:

4S 店嘛，　 (5) Judas 2006-02-15 22:27:08
三角形面积的4倍 (12) immaculate 2006-02-17 08:24:29
- abc/4s利用什么原理？ (0) hdm2968 2006-02-17 19:57:22
  - 见内! (192) davydc 2006-02-17 21:09:19
    - Re:见内! (42) v123 2006-04-22 20:46:43
      - Re:见内! (8) acm_test 2006-04-23 18:46:44
      - 前面那个是对的，你这个是内接圆 (0) waterine 2006-11-11 10:18:52
        Re:前面那个是对的，你这个是内接圆 (13) dosxp 2008-07-09 20:38:41

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