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[几何] 圆的内接四边形的边角性质

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郝酒 posted 2014-5-15 12:22 |Read mode
如图

有何边角恒等式?
未解决的圆内接四边形.jpg

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其妙 posted 2014-5-15 13:18
回复 1# 郝酒
又来开放型问题呀

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