共30题用时5分钟
8.1÷9=
2.5×4=
92÷46=
6-0.025=
3×24=
0.9×0.3=
1.25×8=
1×0.06=
9×0.5=
2.6×3=
0÷3.5=
4.1×2=
7.5×0.1=
0.35×0.2=
3.99×1=
100-35.22=
0×3.52=
8.2+1.8=
2.4×5=
0.22×4=
0.2×0.4=
2.5×0.4=
0.9-0.52=
2.6÷1.3=
0.34÷0.17=
8.4÷7=