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Quiz on Solving Inequalities 解不等式：測驗
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
GeoGebra笔记功能体验课件
【案例】2013年安徽高考15题
柱體建築師
球体的体积推导（优化版）
兩組對邊相等的四邊形
Discover Resources
角平分線
khjkdhksdhcfksdhadiaiosjioa
史坦納圓鍊 (Steiner Chain)
對數函數1
空间几何体的表面积和体积
Discover Topics
Natural Numbers
Centroid or Barycenter
Optimization Problems
Mode
LCM and GCD