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The distance traveled by three cars in the ratio of 1: 2: 3. If the travel time ratio is 3: 2: 1, what is the ratio of their speed?
5Q:
The distance traveled by three cars in the ratio of 1: 2: 3. If the travel time ratio is 3: 2: 1, what is the ratio of their speed?
- 13 : 9 : 1false
- 21 : 3: 9true
- 31 : 2 : 4false
- 44 : 3 : 2false
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