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Re:一个平面几何问题,求高手的解答?In Reply To:一个平面几何问题,求高手的解答? Posted by:guoxi at 2009-10-14 13:02:55 > 平面上有两个固定点A和B。一条固定的线段MN。点Q在线段MN上移动。 > 求角AQB的范围? Followed by:
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