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包絡線：橢圓
Author:
羅驥韡 (Pegasus Roe)
Topic:
Ellipse
GeoGebra
New Resources
【案例】2013年安徽高考15题
拼砌四邊形
三位數除以一位數（一）
畫出對稱圖形
算柱 (兩位數)
Discover Resources
隨機漫步
Equations of Circles 圓方程
gpxxz 線性組合：六角星、mj100-3
P.1 加法結合性質（新課程）
指数函数的副本
Discover Topics
Geometric Distribution
Variance
Angles
Hypothesis Testing
Similar Triangles