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Quiz on Discriminant 判別式：測驗
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
錐體建築師
画直线等分三角形的面积
畫出對稱圖形
異分母分數減法
判斷球體
Discover Resources
優良作品4(薇如)
比較角的大小
旋轉的概念
分數變身術
立方体的11种展开图
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Continuity
Integers
Translation
Mathematics
Trigonometry