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3-6-11
Author:
Tzuen Hsu
GeoGebra
New Resources
球体的体积推导（优化版）
找出對稱軸
第八周作业
球體建築師
錐體建築師
Discover Resources
waaachen
Trajectory of system: y'=sin(y)-y/2
Is this a prism 5
Quiz on Angle between a Line and a Plane 線面角：測驗
圓錐體內切球
Discover Topics
Complex Numbers
Variance
Median Line
Coordinates
Circumcircle or Circumscribed Circle