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圆展开---探究圆周率
Author:
陈宜红
GeoGebra
New Resources
異分母分數減法
三位數除以一位數（一）
拼砌四邊形
球體建築師
直角坐標平面上的旋轉變換
Discover Resources
angle between planes
生活中的平面圖形關係─相似
shaded region
正方体展开图的副本
GeoGebra课程的使用
Discover Topics
Vectors 3D (Three-Dimensional)
Sphere
Geometric Distribution
Step Functions
Frequency Distribution