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数一数
Author:
玖数
数一数
GeoGebra
New Resources
異分母分數減法
画直线等分三角形的面积
找出對稱軸
直角坐標平面上的旋轉變換
三位數除以一位數（二）
Discover Resources
擴分、約分及比較大小
函數圖形的變化（Ⅱ）
正方形
GGB3
HOMEWORK
Discover Topics
Linear Programming or Linear Optimization
Ratios
Polygons
Mathematics
Differential Equation