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旋轉對稱
Author:
Wong Chun Ying
Topic:
Symmetry
GeoGebra
New Resources
畫出對稱圖形
判斷球體
兩組對邊相等的四邊形
球体的体积推导（优化版）
球體建築師
Discover Resources
ex 5
兩種畢氏定理的證明
group m
比例中的定值問題(二)
动圆与两圆外切与内切(1)
Discover Topics
Conditional Probability
Cube
Volume
Circumcircle or Circumscribed Circle
Equilateral Triangles