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parallelogram and squares
Author:
johnmayhk
GeoGebra
New Resources
判斷球體
【案例】2018年全国1卷理科12题
算柱 (兩位數)
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
Discover Resources
軌跡
Properties of a Rhombus
P6 圓周
面積題 F
小正多边形在大正多边形内的滚动（边长不相等）
Discover Topics
Fractions
Right Triangles
Power Functions
Inequalities
Stochastic Process or Random Process