共30题用时5分钟
1.23×3=
3.2÷1.6=
0.75×4=
3.5+3.5×3=
19.6÷2=
5.46+4.54=
0.08×100=
2.2÷0.11=
12.5×0.8=
1.4×5=
0.35×0.3=
4÷0.5=
2.8×4=
19.6÷4=
7.5÷1.5=
10÷2.5=
1.5÷3=
3.52÷1=
5.1÷0.17=
0.81÷9=
0.9÷0.45=
0.42÷0.6=
0.48÷0.8=
0.42÷7=
4.8÷0.16=
2.2×6=
8.4÷0.4=
1.8×5=
2.9÷100=
4.5÷0.9=