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數播線上201802
Author:
Yu-Tuan Lin
GeoGebra
New Resources
錐體建築師
異分母分數減法
三位數除以一位數（二）
柱體建築師
找出對稱軸
Discover Resources
圖例
包絡橢圓
折線軌跡
國旗
GeoGebra创建的小游戏集
Discover Topics
Square
Continuity
Linear Equations
Scalene Triangles
Optimization Problems