8.9×1.068.9 2.8÷0.932.8
16.7÷1.25÷0.816.7÷(1.25×0.8) 8.74÷0.978.74×0.97
4÷5= 1.5×6= 9.6÷4= 4.6×100=
0.56÷0.8= 0.85-0.05= 0.7+0.23= 52.6÷10=