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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
拼砌四邊形
直角坐標平面上的旋轉變換
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
錐體建築師
Discover Resources
鉛筆畫圓
多項式函數
More about Function
STEM 遇上 GeoGebra：陳瑞祺永援中學
選擇合適的「單位」
Discover Topics
Division
Geometric Transformations
Set Theory
Pythagoras or Pythagorean Theorem
Plane Figures or Shapes