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橢圓軌跡(兩同心圓)102.12.04
Author:
horngyie1
Topic:
Ellipse
橢圓軌跡(兩同心圓)102.12.04
GeoGebra
New Resources
四邉形 (四年級) 教師版
拼砌四邊形
兩位數除以一位數（二）
四邊形的特性
三位數除以一位數（一）
Discover Resources
happy birthday
梯形的面積
阿波羅尼亞圓
三角形
旋轉圓弧62326 劉虹圻
Discover Topics
Circumcircle or Circumscribed Circle
Derivative
Probability
Natural Numbers
Planes