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包含除法（1 ÷分數）的副本
Author:
xiaodandan
,
GeoGebra Institute of Hong Kong
Topic:
Fractions
GeoGebra
New Resources
異分母分數減法
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
画直线等分三角形的面积
三位數除以一位數（一）
Discover Resources
給三角形求正三角形
數線(小數的認識)
兩線段和圓的關係
正方形與圓中點軌跡(1060724)
多边形向量序列
Discover Topics
Statistical Characteristics
Line Segment
Calculus
Perimeter
Complex Numbers