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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
找出對稱軸
GeoGebra笔记功能体验课件
算柱 (兩位數)
判斷球體
柱體建築師
Discover Resources
happy new year2
西姆松定理推廣(西姆松圓)
高考真题椭圆
滑动变阻器
圆柱侧面的最短路径
Discover Topics
Trigonometric Functions
Perimeter
Triangles
Circumcircle or Circumscribed Circle
Combinatorics