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橢圓
Author:
羅驥韡 (Pegasus Roe)
Topic:
Ellipse
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
畫出對稱圖形
兩位數加法
兩位數除以一位數（一）
Discover Resources
立體圖形的反射對稱
科學記號與小數點的位移
Percentage（百分法）
平行四邊形柱展開
椭圆的两条垂直切线的交点轨迹
Discover Topics
Trigonometric Functions
Unit Circle
Integers
Square
Rectangle