180／40＝4．5H
所以Ton遲到了火車4．5H 其出發(fā)時間為下午1點半
A train departed from city A to town B 180 km away at 9 in the morning.Tom
A train departed from city A to town B 180 km away at 9 in the morning.Tom
arrived to the railway station late,therefore he went from A to B by car.He arrived at
B at the same time as the train.The average speed of the car was 40 km/hours more
than the average speed of the train.When started Tom from
arrived to the railway station late,therefore he went from A to B by car.He arrived at
B at the same time as the train.The average speed of the car was 40 km/hours more
than the average speed of the train.When started Tom from
英語人氣：897 ℃時間：2020-03-12 16:33:06
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