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椭圆的一种画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
圓的切線方程
科氏力 (Coriolis Force)
讀磅
漂亮的摇摆曲线
双心四边形
Discover Resources
共點線1
雙曲線之極偶 / polarity for hyperbola
平行四邊形有甚麼特性？
Mathematics and Optics (and their applications)
小一
Discover Topics
Complex Numbers
Histogram
Polynomial Functions
Triangles
Numbers