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Comparing fractions using number lines and rectangles
Author:
Eva Lai
GeoGebra
New Resources
画直线等分三角形的面积
兩組對邊相等的四邊形
兩位數除以一位數（二）
直角坐標平面上的旋轉變換
畫出對稱圖形
Discover Resources
正弦定理
幾何鋪磚
三角函數的繪圖2
Copy of 軸對稱
拋物線1--焦點法
Discover Topics
Linear Programming or Linear Optimization
Planes
Distributions
Division
Geometric Distribution