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圆的面积展开的副本
Author:
LT14888061
,
qianqianhouhou
拖动n分圆，拖动展开展开圆，拖动拼图拼成长方形。
GeoGebra
通过上面操作请推导圆的面积公式。
New Resources
画直线等分三角形的面积
判斷球體
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
錐體建築師
Discover Resources
Prism and Cylinder 5
trigonometry3
Copy of 面積：從梯形到三角形 02
Copy of 正多边形内接迭代
分數與小數的副本
Discover Topics
Median Value
Poisson Distribution
Hypothesis Testing
Derivative
Set Theory