⑴5.6-1.2-2.8+4.4 ⑵7.86×101-7.86
27.4÷100=
3.7+14.8=
0.75÷15=
9.5+2.5=
6.09-5.4=
10.6×0.9=
3.5×0.2=
2.5×9×0.4=
10-2.2=
5.65÷0.01=
9.1÷13=
3.76÷0.2÷0.5=
3.2÷0.25=
0.22+0.38=
8.8-7.9=
(2.5+5.2)÷11=
5x-5=40
2.5x+2.5=5
2(x+0.8)=2.2
7.6-7.6×0.5 1.25×0.25×1.6
9.7×5.6+9.7×4.4 0.05×202
3.25÷2.5×4
10.1×7.8-0.78
64.8÷[(2.76+1.24)×2]
6.5÷12.5÷0.8
时间/分
1
2
3
4
5
6
7
8
9
路程/千米
14
21
28
35