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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
錐體建築師
四邊形的特性
拼砌四邊形
球體建築師
算柱 (兩位數)
Discover Resources
平面幾何新路
Pyramid with a Vertical Pole
正六面体分形
公切線的引入
一线三等角模型
Discover Topics
Centroid or Barycenter
Continuity
Incircle or Inscribed Circle
Kite
Exponent