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椭圆的定义
Author:
jjx01
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
算柱 (兩位數)
找出對稱軸
三位數除以一位數（一）
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
Angle Sum of Pentagon (SWC)
優良作品3(怡雯)
同頂角_1
三角形ㄛ
旋转的台阶
Discover Topics
Rhombus
Random Variables
Trigonometric Functions
Circumcircle or Circumscribed Circle
General Quadrilateral