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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
錐體建築師
兩位數除以一位數（一）
球體建築師
找出對稱軸
算柱 (兩位數)
Discover Resources
找找看三角形外接圓的圓心在哪？
三角形面積公式 1/2 bc sinA的副本
双曲柄结构
双曲椭圆
拋物線代數性質,光學性質
Discover Topics
Unit Circle
Median Value
Tangent Line or Tangent
Rotation
Statistical Characteristics