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Quiz on Solving Quadratic Inequalities 解二次不等式：測驗
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
【案例】圆柱体内放置一个大球六个小球
第八周作业
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
三位數除以一位數（二）
Discover Resources
重複組合
三视图
底數大於1，指對數函數交點情形。
Copy of 七巧板
linear programing by Mr LO WY
Discover Topics
Rhombus
Tangent Function
Incircle or Inscribed Circle
Line Segment
Unit Circle