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根據定義畫橢圓2
Author:
Loi Teng Chong
GeoGebra
New Resources
平行線的判定
第八周作业3
第三周作业效果演示
撒针估算面积实验
正方形雪花图案
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圓定理2.1
Triangle 02
Fractal Roulette
Question 4
三角函數圖形（全）的副本
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Right Triangles
Incircle or Inscribed Circle
Planes
Numbers
Cylinder