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Drawing quadrilaterals on the grid or the pinboard
Author:
Anthony OR 柯志明
GeoGebra
New Resources
兩位數加法
畫出對稱圖形
找出對稱軸
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
Discover Resources
拋物線與光線反射
纏繞
GGB11
导数
动圆与两(相离)圆外切
Discover Topics
Congruence
Interest Calculation
Line Segment
Surface
Conditional Probability