共30题用时5分钟
0.2×0.4=
1.2×0.3=
8.2+1.8=
0.2×0.26=
0.14×4=
0.02×0.1=
100-35.22=
2.4×5=
2.3×4=
2.5×0.4=
14-7.4=
1.92÷0.04=
0.58+0.26=
4.98+0.62=
1.7-0.47=
1.4×6=
0.4×0.8=
6.4÷4=
2.5×3=
3÷0.25=
0.32×500=
0.65+4.35=
5-0.05=
10-5.4=
5.5×2=
4÷20=
0.75÷15=
1.5-0.06=
4×0.25=
3.5×200=