| 1 |
| 4 |
故答案为:
| 1 |
| 4 |
(2)相遇过程中笑笑共走了(2+2.5+1)小时,
淘气走了1小时,走的距离为全程的
| 1 |
| 4 |
则在此过程中笑笑走了全程的
| 3 |
| 4 |
笑笑每小时走:
| 3 |
| 4 |
| 3 |
| 22 |
则淘气与笑笑速度比是
| 1 |
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| 3 |
| 22 |
答:淘气与笑笑速度的最简整数比是11:6,
故答案为:11:6;
(3)64÷(
| 1 |
| 4 |
| 3 |
| 22 |
=64÷(
| 1 |
| 4 |
| 21 |
| 44 |
=64÷
| 32 |
| 44 |
=88(千米);
答:AB两地全程是88千米.
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