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動圓的圓心軌跡為橢圓
Author:
Ho-Kai Chen
Topic:
Ellipse
拉動大圓上的N點, 觀察圖形的變化!
GeoGebra
New Resources
GeoGebra笔记功能体验课件
畫出對稱圖形
算柱 (兩位數)
三位數除以一位數（一）
判斷球體
Discover Resources
gyzpa 拋物面鏡的反射
Geometry : Basic Elements (幾何： 基本元素)
Tangent perpendicular to radius
P4構作對稱圖形
单晨制作ggb绘图广东文老师供题
Discover Topics
Random Variables
Statistical Characteristics
Scatter Plot
Special Points
Root