1+75%= 0.24×50= ÷2= 0÷ =
58+62= 1.5×0.2= 0.63÷0.7= 10%×10=
-0.5= ÷8= - × = 1- + =
1.25×8= 0.52= a- a= ÷ × =
时间/时 |
1 |
2 |
3 |
4 |
5 |
6 |
路程/km |
80 |
160 |
240 |
320 |
400 |
480 |