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圓外切四邊形
Author:
李春培
Topic:
Circle
GeoGebra
New Resources
錐體建築師
第八周作业
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
近似值：有效數字
Discover Resources
正四面體
宬風老師的GGB教師研習教材
testssss
Pole & Polar
規律物件
Discover Topics
Vectors 3D (Three-Dimensional)
Prism
Triangles
Sphere
Incircle or Inscribed Circle