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GeoGebra Lesson
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Author:
Tzuen Hsu
GeoGebra
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幾何作圖題：切三圓（題目）
找出對稱軸
畫出對稱圖形
sanjiaohanshu
小数 的副本
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冪函數
三棱柱
比例中的定值問題(二)
Illusion-若隐若现的白点
旋转的花瓣
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Set Theory
Differential Equation
Rotation
Polygons
Means