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直角坐標的旋轉變換
Author:
Anthony OR 柯志明
Topic:
Coordinates
,
Rotation
GeoGebra
New Resources
兩位數除以一位數（二）
異分母分數減法
畫出對稱圖形
球體建築師
球体的体积推导（优化版）
Discover Resources
溫室
四角錐體(二)
柱體頂棱
Copy of 簡易的迷宮
谢庆GGB绘本一
Discover Topics
Circumcircle or Circumscribed Circle
Natural Numbers
Trigonometric Functions
Arithmetic Mean
Reflection