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橢圓軌跡
Author:
Ching-Hui Chou
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
拼砌四邊形
三位數除以一位數（一）
三位數除以一位數（二）
判斷球體
Discover Resources
分數
圓錐完成
Copy of 固定周界的長方形的面積變化
Light reflected in ellipse
Copy of 圓的面積
Discover Topics
Cube
Bar Chart or Bar Graph
Multiplication
Random Variables
Linear Regression