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電子幾何條
Author:
Anthony OR 柯志明
GeoGebra
New Resources
柱體建築師
四邉形 (四年級) 教師版
找出對稱軸
錐體建築師
拼砌四邊形
Discover Resources
E-X 电势-X
鋪地磚(六邊形)
cycloid
蝴蝶定理（唐老师的课程）
任意角
Discover Topics
Linear Equations
LCM and GCD
Complex Numbers
Rectangle
Plane Figures or Shapes