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开关灯小游戏
Author:
孟宝兴
GeoGebra
New Resources
畫出對稱圖形
三位數除以一位數（一）
柱體建築師
兩位數除以一位數（二）
球體建築師
Discover Resources
認識對稱圖形
外心垂心問題
周界
平行四邊形的組合
Newton's method
Discover Topics
Isosceles Triangles
Vectors 2D (Two-Dimensional)
Tangent Function
Circle
Circumcircle or Circumscribed Circle