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在初中偶尔能看到添辅助圆解平面几何题的方法,但在高中里几乎是销声匿迹.本文仅以椭圆为例说明这一方法在高中数学中的“死灰复燃”.一、添与定直线相切的辅助圆
Occasionally in the junior high school can see the auxiliary circle solution plane geometry problem, but almost disappeared in high school.This paper only illustrates the method of ellipse in high school mathematics “Resurgence ”. Auxiliary circle tangent