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ie 3
Author:
LAM YU SANG
GeoGebra
New Resources
畫出對稱圖形
直角坐標平面上的旋轉變換
拼砌四邊形
兩位數除以一位數（二）
錐體建築師
Discover Resources
平行1
線性規劃
線性規劃
包含除法（1 ÷分數）的副本
拼砌四邊形
Discover Topics
Linear Functions
Complex Numbers
Cube
Constructions
Incircle or Inscribed Circle