简便计算(-370)*(-1/4)+0.25*24.5+(+5又1/2)*4/1
问题描述:
简便计算(-370)*(-1/4)+0.25*24.5+(+5又1/2)*4/1
答
简便计算
(-370)*(-1/4)+0.25*24.5+(+5又1/2)*1/4
=(370+24.5+5.5)*1/4
=400*1/4
=100