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Perimeter

Author:Janice Wong, Anthony OR 柯志明

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AI 訓練教室
Nested spiral octagon
畫出對稱圖形
Earth with coastline
判斷球體

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waaachen
小學數學比賽 2014
生长的海螺
旋轉橢圓
GeoGebra游戏案例集

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Limits
Random Variables
Trapezoid
Parametric Curves
Polygons

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