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拋物線2-焦點法
Author:
22吳心妤
GeoGebra
New Resources
三位數除以一位數（二）
錐體建築師
球體建築師
算柱 (兩位數)
四邊形的特性
Discover Resources
直线倾斜角与斜率
折紙畫橢圓
阿波羅尼斯相關問題：與兩相切圓外切和一圓內切
Erdos-Mordell 不等式的副本
达芬奇椭圆仪
Discover Topics
Equilateral Triangles
Scalene Triangles
Cylinder
Matrices
Linear Equations