本课配套习题挑战模式1/5
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==
- 答案:Qg==
PGRpdj7kuKTovablkIzml7bnm7jlr7nlvIDlh7rvvIwg6L+Q5Yqo5pe26Ze055u4562J77yMIOaJgOS7pemAmui/h+i3r+eoi+eahOavlOetieS6jumAn+W6pueahOavlOOAgjxicj48L2Rpdj48ZGl2PuaJgOS7pemAiUI8YnI+PC9kaXY+
本课配套习题挑战模式2/5
A: 3 |
B: 4 |
C: 6 |
D: 9 |
- 提示1:IDxpbWcgd2lkdGg9MjA5IGhlaWdodD01MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0Y3LzI0L3JCQUNGRk1JYzdpU2dvYjFBQUFFZEFWLXIxSTQyNS5wbmciPu+8jDxpbWcgd2lkdGg9MTcwIGhlaWdodD01MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0Y3LzI0L3JCQUNGRk1JYzdqd0xFTnpBQUFEd0h0MjQ0VTY5MS5wbmciPg==
- 提示2:IHY8c3ViPueUsjwvc3ViPnQrdjxzdWI+5LmZPC9zdWI+dD0zNjBrbe+8jHQ9M2g=
- 答案:QQ==
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
本课配套习题挑战模式3/5
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+
- 答案:Qg==
PGRpdj7nlLLkuZnnm7jpgYfml7bvvIzkuKTovabov5Dliqjml7bpl7Tnm7jnrYnvvIznlLLovabpgJ/luqYzOS42a20vaD0xMW0vc++8jOS5mei9pumAn+W6pjMyLjRrbS9oPTltL3PvvIzkuKTovablhbHooYzpqbYyNDAwbe+8jOWImeaciXY8c3ViPueUsjwvc3ViPnQrdjxzdWI+5LmZPC9zdWI+dD0yNDAwbe+8jOino+W+l+aXtumXtHQ9MTIwcz0ybWlu77yMQumAiemhueato+ehrjwvZGl2Pg==
本课配套习题挑战模式4/5
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==
- 答案:RA==
PGRpdj7ni5fkuI7kurrooYzpqbbnmoTml7bpl7TmmK/nm7jlkIznmoTvvIzni5fnmoTpgJ/luqblt7Lnn6XvvIzlhYjmsYLlh7rnlLLjgIHkuZnkuKTkurrnm7jpgYfnmoTml7bpl7TvvIzljbPlsI/ni5fkuIDlhbHot5HnmoTml7bpl7TvvIx0PTxpbWcgd2lkdGg9NjIgaGVpZ2h0PTUyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMTkvRjEvckJBQ0UxTUljOGZ5b2dmbUFBQUNtV3RQdlhnNDUxLnBuZyI+PTEw77yI5bCP5pe277yJ77yM5YiZ54uX6LWw55qE6Lev56iL5Li6cz0xNcOXMTA9MTUw77yI5Y2D57Gz77yJ77yMROmAiemhueaYr+ato+ehrueahDwvZGl2Pg==
本课配套习题挑战模式5/5
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+
- 答案:RA==
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