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Parabola_Horizontal
Author:
Alex Leong
GeoGebra
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画直线等分三角形的面积
四邊形的特性
兩組對邊相等的四邊形
拼砌四邊形
兩位數除以一位數（一）
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優良作品1
Question 2
【物理】引力波
圆周率π的收敛极快算法（代数几何方法）
点动成线
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Numbers
Functions
Rational Numbers
Standard Deviation
Limits