共30题用时5分钟
8.2+1.8=
2.4×5=
3.99×1=
8.4÷7=
9×0.5=
8.4÷0.7=
30.4÷4=
1.2×6=
0.72÷0.6=
2.6÷1.3=
0.34÷0.17=
0.6×0.3=
7.82÷1=
0.001÷0.1=
1.4÷0.7=
3.6÷0.06=
0÷3.65=
5.6÷0.9=
4.2×3=
4.4÷0.11=
0.48÷0.8=
0.3÷0.01=
5.6÷1.4=
3.2×0.4=
5.1÷0.17=
0.28÷1.4=
0.9÷0.45=
9.6÷16=
4÷0.5=
1÷0.01=