0.6×3-1=
0÷0.2+0.2=
1.2÷(20×0.3)=
0.3×3+0.1=
0.5×4-2=
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=