2.83+10.5/1.4用简便方法怎么计算
问题描述:
2.83+10.5/1.4用简便方法怎么计算
答
=2.83+(10.5*5)/(1.4*5)=2.83+10.5*5/7=2.83+10.5/7*5=2.83+1.5*5=2.83+7.5=10.33
2.83+10.5/1.4用简便方法怎么计算
=2.83+(10.5*5)/(1.4*5)=2.83+10.5*5/7=2.83+10.5/7*5=2.83+1.5*5=2.83+7.5=10.33