80-(16.5+14.8)+60.76=80+60.76-31.3=140.76-31.3=109.46
80-(16.5+14.8)+60.76等于多少能简算的简算脱式计算?解:80-(16.5+14.8)+60.76=80-14.8+60.76-16.5=65.2+44.26=109.46