4.5÷0.9= 1.4-0.9= 0.3×0.8= 0÷3.7= 3.2+1.6=
0.3×21= 1.5÷5= 2.2×4= 0.48÷0.4= 8÷0.1=
2.7 ÷11
3.05×4.6
0.8×3= 5.6÷0.7= 1.25×8= 4.3:0.1=
3.6-0.9= 0.78×10= 18.6÷6= 40×0.05=
5.68÷8= 1.24÷0.4= 9.6÷4= 4×7.25=
0.63÷0.3= 7.5÷0.15= 4.2÷140= 3.5÷0.35=
3.2÷0.4= 12.5×0.8= 2.7÷3= 0.4×250=
0÷8.5= 96÷0.6= 0.7×0.9= 18x﹣13.5x=