8.6×0.1= 2.4÷0.3= 18÷0.2= 8.1÷0.9=
5.4÷6= 0.42÷0.6= 9×0.8= 0.025×4=
0.75+0.25=
0.25×0.4=
0.32=
(3.6+5.4)-(3.6+5.4)=
0.87-0.8=
3.05÷100=
b+b=
0.8×2÷0.8×2=
54.4÷0.16=÷16 0.06÷1.5=÷15
25.2÷7= 252÷0.7=