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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
找出對稱軸
兩位數除以一位數（二）
柱體建築師
判斷球體
【案例】2013年安徽高考15题
Discover Resources
簡易文氏圖
兩圓的位置關係 ver.1
Difference of Two Cubes
Copy of gjc091b18 圓的割線
Copy of 用 Geogebra 模擬日照、影長變換
Discover Topics
Median Line
Geometric Transformations
Solids or 3D Shapes
Fractal Geometry
Linear Equations