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Author:
whlee1990
GeoGebra
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百分數及其應用
GeoGebra数学资源(4-8年级)
盈利與虧蝕
折扣
比較五件物件的重量
Discover Resources
矩形
生活中的平面圖形─圓的性質
圓周率的應用 題2
橢圓包絡線
group m
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Optimization Problems
Complex Numbers
Equilateral Triangles
Matrices
Dilation