简算(要过程)694+126-294 9.43-4.75+0.57 65×10.1 0.48×99+4.8×0.1
问题描述:
简算(要过程)694+126-294 9.43-4.75+0.57 65×10.1 0.48×99+4.8×0.1
答
694+126-294=694-294+126=400+126=526 9.43-4.75+0.57=9.43+0.57-4.75=10-4.75=5.25 65×10.1=65x10+65x0.1=650+6.5=656.5 0.48×99+4.8×0.1=0.48x(99+1)=0.48x100=48