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圆的面积展开的副本
Author:
hong-z
,
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。
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兩位數除以一位數(二)
探究三角形的全等條件
【案例】圆柱体内放置一个大球六个小球
球体的体积推导
漂亮的摇摆曲线
Discover Resources
正12面體
CIRCLE
Circle
回家作業
我的第一个GGB绘本
Discover Topics
Correlation
Vectors
General Quadrilateral
Rectangle
Vectors 3D (Three-Dimensional)