(-370)*(1/4)+0.25*24.5+(+5又1/2)*1/4简便计算要过程 快 快

问题描述:

(-370)*(1/4)+0.25*24.5+(+5又1/2)*1/4简便计算要过程 快 快

(-370)*(1/4)+0.25*24.5+(+5又1/2)*1/4
=1/4*(-370+24.5+5.5)
=1/4*(-340)
=-85