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My second work
Author:
郭致伸
GeoGebra
New Resources
兩位數除以一位數（二）
錐體建築師
GeoGebra笔记功能体验课件
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
Discover Resources
方格紙上畫平行四邊形1
GGB研習繪本
smps perimeter
Copy of 方格紙上畫四邊形
黎曼和的副本
Discover Topics
Multiplication
Geometry
Square
Linear Equations
Curve Sketching