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Author:
philiplui
GeoGebra
New Resources
直角坐標平面上的旋轉變換
畫出對稱圖形
拼砌四邊形
美國國旗 (Codex 版)
小数 的副本
Discover Resources
平行四邊形
畢氏定理的圖形證明法
最簡分數
三角柱(可側轉、上下轉)
Triangle
Discover Topics
Geometry
Rotation
Diagrams
Distributions
Arithmetic