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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
三位數除以一位數（一）
畫出對稱圖形
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
拼砌四邊形
Discover Resources
方格紙上畫長方形2
材料
圓錐(可改底面圓半徑、錐體高)
三角形
圆与圆的位置关系
Discover Topics
Fractions
Median Line
Triangles
Definite Integral
Histogram