5.4×1.8=
0.54×180=
9.72÷1.8=
8.56×0.98.56 3.5×0.630.63 5.4÷0.45540÷45
7.3+0.27=
1.6×0.8=
10÷0.1=
7.01-4.58=
8×0.25=
0.47-0.4=
3.6÷0.6=
8×1.25=
0.56÷0.7=
13.3-4.25=
0.9×0.5=
35÷3.5×0.1=
0.64×100.1
65.78-8.9-5.78
37.2÷1.25÷0.8
4.6×382+61.8×46
(455-12.5×4)÷0.81
12.6÷[3.5-(9.8-8.7)]