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khkhk
Author:
Chan Yip-Cheung
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直角坐標平面上的旋轉變換
畫出對稱圖形
Fibonacci Clock
算柱 (兩位數)
國旗 (Claude 版)
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Add and subtract
so fing
密鋪4
等弧對等角
碎形三角形
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Parallelogram
Geometry
Difference and Slope
Quadrilaterals
Plane Figures or Shapes