2 |
5 |
2 |
5 |
3 |
4 |
3 |
10 |
由此據(jù)題意可得方程:
(
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.
則乙的速度為:280÷2.5=112(千米);
甲的速度為:112×
3 |
4 |
答:車速度是每小時(shí)84千米,乙車速度是每小時(shí)112千米;A、B兩站的距離是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 |