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滾動圓
Author:
eyun306
GeoGebra
New Resources
科赫雪花
平行線的判定
正方形雪花图案
百分數及其應用
异形操场
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中線定理(阿波羅尼奧斯)定理推廣一：斯圖爾(Stewart)定理
直線排列1
Geometry: Angles Sum of Triangle (幾何：三角形內角和)
數學1
圓與弦2的副本
Discover Topics
Exponential Functions
Centroid or Barycenter
Circumcircle or Circumscribed Circle
Ellipse
Incircle or Inscribed Circle