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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）
兩組對邊相等的四邊形
第八周作业
【案例】2018年全国1卷理科12题
球体的体积推导
Discover Resources
等量公理
專題
反射定律 Law of Reflection
阿波羅尼斯相關問題：與兩相切圓外切和一圓內切
回家作業
Discover Topics
Translation
Rectangle
Sequences and Series
Curve Sketching
Hypothesis Testing