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13-2-5-菲涅尔双面镜-尤景汉
Author:
王翚
GeoGebra
New Resources
三位數除以一位數（二）
錐體建築師
拼砌四邊形
兩位數除以一位數（二）
畫出對稱圖形
Discover Resources
眼球定理
Proof2 周子翔
Prism
四邊形內多個四邊型旋轉
Pyth2LK
Discover Topics
Triangles
Linear Regression
Continuity
Incircle or Inscribed Circle
Equilateral Triangles