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Hypocycloid
作者：
Walerij Koschkin
GeoGebra
最新資源
רישום חופשי
Reflection = 180° Rotation about a Line
Reflection across a line
Circle Passing Through 3 Points
bewijs stelling van Pythagoras
探索資源
Problem 99
ángulos
computing cosine hw
triangle 2
Construct a parallel line through a point.
Radians
探索主題
3D 向量（三維）
Dilation
二次函數
分佈
反射