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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
兩位數除以一位數（一）
三位數除以一位數（二）
球体的体积推导
兩位數除以一位數（二）
Discover Resources
「相似三角形」任务5
Plainmeter explained
圓錐曲線Conic
圓柱截痕
立方體與平面截痕１
方格紙上畫正方形 2
Discover Topics
Multiplication
Exponential Functions
Division
General Quadrilateral
Incircle or Inscribed Circle