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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
判斷球體
找出對稱軸
画直线等分三角形的面积
Discover Resources
因式分解(十字相乘法)
All in one (centres of triangle)
GGB5
四年級 最大公因數
雙曲線的副本
Discover Topics
Exponential Functions
Normal Distribution
Circumcircle or Circumscribed Circle
Subtraction
Percentages