32a+a= 2.5×0.8= 0.36÷3.6= 9÷0.3=
4.5÷9= 12-4.9= 6.7×100= 3.5×4=
2+0.05= 83-8.3= 7.2-5.4+1.6=
2.4×5= 80.88+10.12= 0.25×0.8×4=
30÷0.01= 6.6÷2×0.5= 0.12÷0.4÷0.3=