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包絡線：橢圓
Author:
羅驥韡 (Pegasus Roe)
Topic:
Ellipse
GeoGebra
New Resources
三位數除以一位數（二）
GeoGebra笔记功能体验课件
sanjiaohanshu
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
三角形與邊上一點求正三角形
中三 樹形圖
正多面體
Question 1
八卦限
Discover Topics
Statistical Characteristics
Step Functions
Plane Figures or Shapes
Bar Chart or Bar Graph
Conic Sections