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GeoGebra
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GeoGebra
GeoGebra Classroom
GeoGebra
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Author:
johnmayhk
GeoGebra
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畫出對稱圖形
兩位數除以一位數（二）
三位數除以一位數（二）
異分母分數減法
兩組對邊相等和有直角的四邊形
Discover Resources
雙曲線20160521
string art
圖解直式開方
tytyty
直角座標轉為極座標
Discover Topics
Angles
Root
Integers
Solids or 3D Shapes
Trigonometry