2.5×40= 0÷25.6= 0.6×0.08= 1÷2.5= 10-0.9=
1.2×0.5= 3.9÷3= 0.125×8= 5.3+4.7= 4.8÷0.8=
3.5×0.2= 10÷0.5= 6×0.25= 0.63÷0.9= 1.8×0.4=
0.99÷0.1= 1.2×4= 3.9×0.01= 2.33×1.2= 1.25×0.8=
3.6÷3=
2.8+1.6=
1÷8=
0.6×50=
9.8×8=
18.9-9.9=
0.36÷1.8=
5.4÷3=
502.4÷3.14= 5024÷16=
160×0.314= 50.24=3.14×+3.14