100/20=50/=/60=200/=/80求解

来源：学生作业帮助网编辑：六六作业网时间：2024/12/19 04:35:59

100/20=50/__=__/60=200/__=__/80求解100/20=50/__=__/60=200/__=__/80求解100/20=50/__=__/60=200/__=__/80求解1

100/20=50/__=__/60=200/__=__/80求解
100/20=50/__=__/60=200/__=__/80求解

100/20=50/__=__/60=200/__=__/80求解
100/20=50/_10_=_300_/60=200/40__=_400_/80
根据商不变性质!