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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
Fibonacci Clock
sanjiaohanshu
算柱 (兩位數)
畫出對稱圖形
球體建築師
Discover Resources
閱讀鐘面及數字鐘（時和分）
Helicoid
正八角錐(旋轉，實體、透視)
正方形周界
雙曲線1-交點法
Discover Topics
Circle
Constructions
LCM and GCD
Interest Calculation
Tangent Line or Tangent