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圆的面积展开
Author:
qianqianhouhou
Topic:
Area
,
Circle
拖动n分圆，拖动展开展开圆，拖动拼图拼成长方形。
GeoGebra
New Resources
錐體建築師
判斷球體
三位數除以一位數（二）
畫出對稱圖形
找出對稱軸
Discover Resources
Key stage 1
Task 8
比例
How to draw an ennegon with ruler and compasses?
金印的展开图
Discover Topics
Random Variables
Linear Equations
Circumcircle or Circumscribed Circle
Parabola
Vectors