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Author:
Chenwei Chen
GeoGebra
New Resources
四邊形的特性
錐體建築師
找出對稱軸
球体的体积推导（优化版）
拼砌四邊形
Discover Resources
阿基米德雙胞胎圓
ycps4a1
ladder
仿生狗案例
俄罗斯方块（第二版）
Discover Topics
Vectors 3D (Three-Dimensional)
Tree Diagrams
Standard Deviation
Subtraction
Dilation