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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
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
三位數除以一位數（一）
画直线等分三角形的面积
直角坐標平面上的旋轉變換
Discover Resources
y=(x-a)²的圖形
Trisectin the cube into 3 pyramids
圓的平移
圓的軌跡
Properties of a Square
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Poisson Distribution
Functions
Confidence Interval
Intersection
Tree Diagrams