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四边形是初中几何的重要内容之一,也是中考的必考内容.但在四边形问题的解题过程中,不少同学都会犯一个不容忽视的错误——没有
The quadrilateral is one of the important contents of junior high school geometry, and it is also a compulsory examination content for the middle school exam. However, in the process of solving the quadrilateral problem, many students will make a mistake that cannot be ignored - no