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七巧板.ggb
Author:
郭勇
GeoGebra
New Resources
兩組對邊相等的四邊形
判斷球體
球体的体积推导（优化版）
拼砌四邊形
錐體建築師
Discover Resources
龍騰4_1-1課隨3
圖形的周界
三角形ㄛ
正方形推垛
二次方程动态函数曲线
Discover Topics
Area
Rotation
Angles
Fractal Geometry
Right Triangles