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在平面几何中,人们对四边形划分的研究在不断地加深,很多刊物都有介绍,本文给出了四边形的三个重要划分,供朋友们在今后的研究中参考.
In the plane geometry, the research on the division of the quadrilateral has been deepened continuously, and many publications have introduced it. In this paper, we give the three important divisions of the quadrilateral for our friends to refer to in the future research.