7.2÷0.01=
2.5×0.8=
5.4÷0.06=
1.5+2.85=
13.7÷100=
3.1×0.8=
4.23×0.2=
2.5×4÷2.5×0.4=
1.2×4= 0.8×0.25= 7.2÷0.09= 3.9×0.01=
0.63÷0.9= 10÷0.5= 3.5×0.2= 0.99÷0.1=
3.6÷3=
2.8+1.6=
1÷8=
0.6×50=
9.8×8=
18.9-9.9=
0.36÷1.8=
5.4÷3=
时间/秒
30
出水量/升
11
341-29= 5.7+1.24= -0.25= × =
3.2÷80%= ÷ = ×0+ = 12.5×8÷12.5×8=