2.79×0.992.79 8.35÷0.358.35
3.4÷1.70.34÷0.17
8.1÷0.9= 72÷0.6= 6.3÷0.21= 7.2÷9×4=
1.5÷30= 13÷4= 1.25×8= 10÷2.5÷0.4=