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a Geogebra file created by the first pre-service teacher
Author:
Chan Yip-Cheung
GeoGebra
New Resources
畫出對稱圖形
三位數除以一位數（二）
兩位數加法
画直线等分三角形的面积
拼砌四邊形
Discover Resources
線性組合3：正方形
Properties of a Rectangle
橢圓1--四圓心近似法
简谐振动函数图像的副本
俄罗斯方块（第二版）
Discover Topics
Boxplot
Linear Programming or Linear Optimization
Random Variables
Histogram
Parabola