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賺賠：例1
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
賺賠
GeoGebra
New Resources
異分母分數減法
三位數除以一位數（二）
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
sanjiaohanshu
Discover Resources
Circle on a Sphere
三角測量
外心垂心問題
(001)80201辛宇婕
与椭圆焦点三角形外角平分线有关的轨迹.许兴华数学
Discover Topics
Definite Integral
Statistics
Unit Circle
Equations
Polynomial Functions