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圆的面积展开的副本
Author:
tang
,
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
Earth with coastline
找出對稱軸
球體建築師
近似值:有效數字
第八周作业
Discover Resources
特製的門 2
正立方形與兩面角
教學-旋轉
製作及設計繡曲線
ghseh 二次函數描點法
Discover Topics
Surface
Distributions
Rectangle
Linear Programming or Linear Optimization
Vectors 2D (Two-Dimensional)