3.7+0.4×0.5=
0.2+4÷0.5=
0.34+1.21×3=
(1-0.35)×0.3=
2.7×0÷3.5=
7.2-7.2÷6=
(3.5+6.5)÷0.1=
2.7÷9-0.25=
$\frac {4} {9}$=÷
$\frac {8} {14}$=÷
$\frac {6} {28}$=÷