1/5单选题
难度：
1.
甲、乙两车同时从两地相对开出，速度比是5：4，相遇时甲、乙通过的路程之比为（ ）
| A | 1:1 |
| B | 5:4 |
| C | 25:16 |
| D | 4:5 |
- 提示1：
- PHA+5Lik6L2m5ZCM5pe255u45a+55byA5Ye677yM55u46YGH5pe25Lik6L2m57uP6L+H55qE5pe26Ze055u4562JPC9wPg==
正确答案：Qg==
PGRpdj7kuKTovablkIzml7bnm7jlr7nlvIDlh7rvvIwg6L+Q5Yqo5pe26Ze055u4562J77yMIOaJgOS7pemAmui/h+i3r+eoi+eahOavlOetieS6jumAn+W6pueahOavlOOAgjxicj48L2Rpdj48ZGl2PuaJgOS7pemAiUI8YnI+PC9kaXY+
2/5单选题
难度：
2.甲、乙两车分别从相距360千米的A、B两城同时出发，相对而行，已知甲车到达B城需4小时，乙车到达A城需12小时，问：两车出发后_______小时相遇。
| A | 3 |
| B | 4 |
| C | 6 |
| D | 9 |
- 提示1：
- IDxpbWcgd2lkdGg9MjA5IGhlaWdodD01MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0Y3LzI0L3JCQUNGRk1JYzdpU2dvYjFBQUFFZEFWLXIxSTQyNS5wbmciPu+8jDxpbWcgd2lkdGg9MTcwIGhlaWdodD01MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0Y3LzI0L3JCQUNGRk1JYzdqd0xFTnpBQUFEd0h0MjQ0VTY5MS5wbmciPg==
- 提示2：
- IHY8c3ViPueUsjwvc3ViPnQrdjxzdWI+5LmZPC9zdWI+dD0zNjBrbe+8jHQ9M2g=
正确答案：QQ==
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
3/5单选题
难度：
3.
甲乙两车在相距2.4km的两地同时相向行驶，速度分别是39.6km/h、32.4km/h，两车相遇所用的时间为（ ）
| A | 1min |
| B | 2min |
| C | 3min |
| D | 6min |
- 提示1：
- PHA+6K6+5pe26Ze05Li6dDwvcD4=
- 提示2：
- PHA+77yIMzkuNmttL2grMzIuNGttL2jvvIl0PTIuNGttPC9wPg==
- 提示3：
- PHA+dD08aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTkvRjEvckJBQ0UxTUljNzZBbERFVUFBQUJwUXpwVWZ3MzQ4LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xOS9GMS9yQkFDRTFNSWM3NkFsREVVQUFBQnBRenBVZnczNDgucG5nIiBoZWlnaHQ9IjUyIiB3aWR0aD0iNDUiPjJtaW48L3A+
正确答案：Qg==
PGRpdj7nlLLkuZnnm7jpgYfml7bvvIzkuKTovabov5Dliqjml7bpl7Tnm7jnrYnvvIznlLLovabpgJ/luqYzOS42a20vaD0xMW0vc++8jOS5mei9pumAn+W6pjMyLjRrbS9oPTltL3PvvIzkuKTovablhbHooYzpqbYyNDAwbe+8jOWImeaciXY8c3ViPueUsjwvc3ViPnQrdjxzdWI+5LmZPC9zdWI+dD0yNDAwbe+8jOino+W+l+aXtumXtHQ9MTIwcz0ybWlu77yMQumAiemhueato+ehrjwvZGl2Pg==
4/5单选题
难度：
4.甲、乙两人同时从相距150千米的两地出发，相向而行，甲每小时走8千米，乙每小时7千米，甲带了一头狗，狗每小时跑15千米，这条狗同甲一道出发，碰到乙时，它又掉头朝甲跑去，碰到甲时又掉头朝乙跑去，直到两人相遇，这条小狗一共跑了多少千米（ ）
| A | 100千米 |
| B | 120千米 |
| C | 140千米 |
| D | 150千米 |
- 提示1：
- IOWFiOaxguWHuueUsuOAgeS5meS4pOS6uuebuOmBh+eahOaXtumXtO+8jOWNs+Wwj+eLl+S4gOWFsei3keeahOaXtumXtO+8jHQ9PGltZyB3aWR0aD02MiBoZWlnaHQ9NTIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xOS9GMS9yQkFDRTFNSWM4ZnlvZ2ZtQUFBQ21XdFB2WGc0NTEucG5nIj49MTDvvIjlsI/ml7bvvIk=
- 提示2：
- IOWwj+eLl+S4gOWFsei3keeahOaXtumXtOS5mOS7peeLl+avj+Wwj+aXtui3keeahOi3r+eoi+WNs+WPr+axguWHuui/meadoeWwj+eLl+S4gOWFsei3keeahOi3r+eoi++8jHM9MTXDlzEwPTE1MO+8iOWNg+exs++8iQ==
正确答案：RA==
PGRpdj7ni5fkuI7kurrooYzpqbbnmoTml7bpl7TmmK/nm7jlkIznmoTvvIzni5fnmoTpgJ/luqblt7Lnn6XvvIzlhYjmsYLlh7rnlLLjgIHkuZnkuKTkurrnm7jpgYfnmoTml7bpl7TvvIzljbPlsI/ni5fkuIDlhbHot5HnmoTml7bpl7TvvIx0PTxpbWcgd2lkdGg9NjIgaGVpZ2h0PTUyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMTkvRjEvckJBQ0UxTUljOGZ5b2dmbUFBQUNtV3RQdlhnNDUxLnBuZyI+PTEw77yI5bCP5pe277yJ77yM5YiZ54uX6LWw55qE6Lev56iL5Li6cz0xNcOXMTA9MTUw77yI5Y2D57Gz77yJ77yMROmAiemhueaYr+ato+ehrueahDwvZGl2Pg==
5/5单选题
难度：
5.
如图，已知甲、乙两车分别从A、B两地同时相向出发，它们第1次相遇时距离B地54千米，甲、乙两车分别到达B、A两地后立即调头，它们第2次相遇时距离B地48千米，则A、B两地相距（ ）千米。
| A | 102 |
| B | 103 |
| C | 104 |
| D | 105 |
- 提示1：
- PHA+6LWw5a6M5LiA5Liq5YWo56iL5LmZ6LWw5LqGNTTljYPnsbPvvIzpgqPkuYjnrKzkuozmrKHnm7jpgYfml7botbDkuoYz5Liq5YWo56iL77yM5q2k5pe25LmZ6LWw5LqGM+S4qjU05Y2D57Gz77yM5Yqg5LiK56a7QuWcsOeahDQ45Y2D57Gz77yM5Li6MuS4quWFqOeoi++8jOmZpOS7pTLljbPkuLpBQuS4pOWcsOmXtOeahOi3neemuzwvcD4=
- 提示2：
- PHA+77yIM8OXNTQrNDjvvIltw7cyPTEwNW08L3A+
正确答案：RA==
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