共30题用时5分钟
0.51÷17=
2.8×0.4=
1.92÷0.04=
2.1×40÷10=
135÷0.5=
14-7.4=
4×0.2=
5.8×2.9=
8.53×0.99 =
7.3×5=
0.4×0.8=
5.8×0.29=
0.125×0.125=
9×0.18=
0.7×8=
9.9×2.5×0.4=
6.2×0.03=
0.25×16=
7.2×0.9=
7×0.05=
0.45×2=
3.2÷100=
2.51×104=
8.5÷1.7=
4.2×1000=
18×0.3=
0.45÷0.15=
53.73-17.49=
0.04×25=
1.2÷0.3=