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no

Posted by frkstyc at 2005-07-21 12:54:20 on Problem 2148
In Reply To:Re:no Posted by:springtty at 2005-07-21 12:51:56

> 坐标中x,y有没有可能是负数?

Followed by:

Re:no (4707) springtty 2005-07-21 13:07:14
- 看错题 (5373) frkstyc 2005-07-21 13:11:43
  - Re:看错题 (127) springtty 2005-07-21 13:38:11

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