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没反吧，和正常意义下的x, y一样的

Posted by wywcgs at 2006-09-16 21:35:32 on Problem 2991
In Reply To:这题的x y 是不是反了 Posted by:sunmoonstar_love at 2006-09-16 21:29:45

Followed by:

您看 3 1 1 1 1 1 30 应该怎么旋转 (0) sunmoonstar_love 2006-09-16 21:36:41
- 应该得多少? (0) sunmoonstar_love 2006-09-16 21:37:46
  - 1.00 -0.73 (0) wywcgs 2006-09-16 21:38:41
  - 谢谢, 我得大改, 题目看错了 (0) sunmoonstar_love 2006-09-16 21:40:52
一开始所有的线段都是y轴方向的 (0) wywcgs 2006-09-16 21:36:48

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