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一元二次方程和平面几何是初中数学的两大重要知识点,对于有些平面几何问题,可以利用题目中的一些条件,通过巧妙构思,构造出一元二次方程,从而运用方程的知识进行求解。
One quadratic equation and plane geometry are two important knowledge points of mathematics in junior high school. For some plane geometry problems, some conditions in the topic can be utilized to construct a quadratic equation through ingenious ideas to solve the problem by using the knowledge of equations.