37.2×99+37.2=         25×4÷0.25×4=        0.9×7+10.7=
9÷5﹣1.9÷5﹦          6.8﹣2.4÷3=           0.6÷0.3+0.5=
1.9+5.1÷51=           12﹣0.05×4=           1.8÷0.9×0.5=
1×0.01÷0.1=          7.2﹣1.2+6.7=