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GeoGebra
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Author:
chihchengliang
GeoGebra
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第八周作业
第三周作业效果演示
活动三:应用性质
异形操场
平行線的判定
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test123
交錯弓形圓周角
齒輪作圖
Conway's Circle
畢氏定理 的複本
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Reflection
Subtraction
Similar Triangles
Cylinder
Parametric Curves