(-370)×(-1/4)+0.25×24.5+(- 5又1/2)×(25%)等于?
问题描述:
(-370)×(-1/4)+0.25×24.5+(- 5又1/2)×(25%)等于?
答
1/4x(370+24.5-5.5)=1/4x389=97.25
(-370)×(-1/4)+0.25×24.5+(- 5又1/2)×(25%)等于?
1/4x(370+24.5-5.5)=1/4x389=97.25