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GeoGeBra畫橢圓形的動態軌跡
Author:
李俊賢
Topic:
Ellipse
GeoGebra
New Resources
【案例】2013年安徽高考15题
三位數除以一位數（二）
兩位數加法
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
Discover Resources
空間向量
四邊形面積問題
gjc091a27 三角形旋轉
圓與切線
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Sphere
Differential Equation
Secant Line or Secant
Correlation
Power Functions