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peacock
Author:
李春培
peacock
GeoGebra
New Resources
異分母分數減法
三位數除以一位數（一）
找出對稱軸
sanjiaohanshu
算柱 (兩位數)
Discover Resources
讀量杯上的刻度
內擺線
Copy of 英01
Copy of 随机模拟实验（撒豆子估算π）
旋轉正方形
Discover Topics
Vectors 3D (Three-Dimensional)
Solids or 3D Shapes
Quadratic Equations
Plane Figures or Shapes
Tangent Line or Tangent