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優良作品1
Author:
Ching-Hui Chou
GeoGebra
New Resources
找出對稱軸
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
球體建築師
異分母分數減法
Discover Resources
不規則圖形的周界(T)
Solution_to_a_System_of_Linear_Equations
滑桿應用
随机模拟实验（撒豆子估算π）的副本
小正多边形在大正多边形内的滚动（边长相等）
Discover Topics
Normal Distribution
Quadrilaterals
Cylinder
Circle
Addition