| 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 |
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