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GeoGebra
GeoGebra Classroom
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旋轉圓弧
Author:
賴詩唐
GeoGebra
New Resources
球体的体积推导（优化版）
畫出對稱圖形
球體建築師
找出對稱軸
第八周作业
Discover Resources
坐标变换
Fractal Spirograph (Fractal Roulette)
DSE Circle-ACT01B Relationship between Centre and Chord
Pyramid with square base (angle between planes)
蚂蚁爬行