共30题用时5分钟
0.96÷0.03=
4.8÷6=
2.4÷0.2=
9.6÷0.3=
4.8÷0.6=
25.8÷6=
22.8÷3=
5.98÷0.23=
19.76÷5.2=
32÷42=
3.81÷7=
246.4÷13=
2.17÷0.7=
0.4÷0.01=
5.3+6.7=
5.4-3.6-1.4=
30×0.01=
15÷1.5=
12.9-8.5=
7.2×0.4=
2.8×1.4=
286+198=
314-202=
8+2-8+2=
223-99=
0.3×3.6=
526+301=
0.8×1.25=
0.3×0.3=
0.45×2.5=