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Author:
John Tsang
GeoGebra
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撒针估算面积实验
活动三：应用性质
圓的切線方程
平行線的判定
圓的基本性質
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平行線的性質
task3
圓錐
A CHAOS GAME!
[洋葱] 根据图象求参数取值范围-上(0118)
Discover Topics
Circumcircle or Circumscribed Circle
Means
Equilateral Triangles
Trigonometry
Sine