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Quiz on Interest 利息：測驗
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
【案例】2018年全国1卷理科12题
畫出對稱圖形
GeoGebra笔记功能体验课件
三位數除以一位數（一）
判斷球體
Discover Resources
集合
圓錐曲線
火柴棒
扇形:圖片與動畫使用
垂線作圖
Discover Topics
Square
Area
Logarithmic Functions
Secant Line or Secant
LCM and GCD