2 |
5 |
2 |
5 |
3 |
4 |
3 |
10 |
由此据题意可得方程:
(
2 |
5 |
3 |
10 |
3 |
10 |
20 |
60 |
2 |
5 |
3 |
10 |
3 |
10 |
20 |
60 |
1 |
10 |
9 |
10 |
7 |
10 |
1 |
10 |
1 |
10 |
9 |
7 |
1 |
10 |
1 |
35 |
S=280.
则乙的速度为:280÷2.5=112(千米);
甲的速度为:112×
3 |
4 |
答:车速度是每小时84千米,乙车速度是每小时112千米;A、B两站的距离是280千米.
2 |
5 |
2 |
5 |
3 |
4 |
3 |
10 |
2 |
5 |
3 |
10 |
3 |
10 |
20 |
60 |
2 |
5 |
3 |
10 |
3 |
10 |
20 |
60 |
1 |
10 |
9 |
10 |
7 |
10 |
1 |
10 |
1 |
10 |
9 |
7 |
1 |
10 |
1 |
35 |
3 |
4 |