8.9×1.58.9 2.8÷0.92.8
16.7÷1.25÷0.816.7÷(1.25×0.8) 8.74÷0.978.74×0.97
3.6÷0.18=
27×3.01÷27=
2.8-2.8÷7=
4.2÷6=
0.25×40=
0.14×0.3=
4.25×9.9+4.25×0.1=
0.2-0.2×0.2=
5.35×6.3≈(保留一位小数) 3.02×1.8= 3.82÷2.7≈(保留两位小数)
(6.8-5.4)×2.75-0.9 132×0.89-122×0.89 96.5÷1.25÷8
12.6÷0.28-4.5 3.5×102 0.25×70×0.4