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圖二 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
三位數除以一位數（一）
異分母分數減法
sanjiaohanshu
Discover Resources
欢度春节（灯笼）
Elliptic Curve
乘法的副本
正弦函數的伸縮及平移
正餘弦函數的疊合
Discover Topics
Planes
Tangent Function
Incircle or Inscribed Circle
Polygons
General Quadrilateral