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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）
判斷球體
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
四邊形的特性
Discover Resources
判別y是否為x的函數圖形(隨機練習)
象形圖 (找出最多/最少)
area 面積
認識半徑
Triangle
Discover Topics
Optimization Problems
Arithmetic Mean
Volume
Angles
Unit Circle