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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）
找出對稱軸
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
Discover Resources
第12届美国中学生数学邀请赛题
Quiz on Angles associated with Parallel Lines 平行線上的角：測驗
rotational symmetry_2
三角形內角和180度
硬幣繞多邊形面積
Discover Topics
Random Experiments
Conic Sections
Quadrilaterals
Binomial Distribution
Vectors 3D (Three-Dimensional)