| 3 |
| 2 |
甲车行了
| 3 |
| 2 |
②第二次追上乙,用了:
210÷(160×
| 3 |
| 2 |
| 4 |
| 3 |
=210÷(240-
| 80 |
| 3 |
=
| 21 |
| 8 |
甲车行了160×(1-
| 1 |
| 3 |
| 21 |
| 8 |
=160×
| 2 |
| 3 |
| 21 |
| 8 |
=280(千米);
③第三次追上乙,用了:
210÷(160×
| 2 |
| 3 |
| 2 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
=210÷
| 320 |
| 9 |
=
| 189 |
| 32 |
甲车行了160×(1-
| 1 |
| 3 |
| 1 |
| 3 |
| 189 |
| 32 |
=160×
| 4 |
| 9 |
| 189 |
| 32 |
=420(千米).
④甲车行了240+280+420=940(千米).
答:甲车行了940千米.
