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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
兩組對邊相等和有直角的四邊形
錐體建築師
兩位數除以一位數（二）
三位數除以一位數（二）
畫出對稱圖形
Discover Resources
利用对称求线段和最值
學習單：三角形外切圓作法
ruler
外心
时钟
Discover Topics
Inequalities
LCM and GCD
Exponential Functions
Power Functions
Differential Equation