数学题:汽车在途中停了一小时,客车速度比汽车慢

  • 时间:2020-06-10 18:35:09
  • 分类:数学世界
  • 阅读:112 次

数学题:两辆车同时从A地开往B地。5时后它们同时到达B地。汽车在途中停了一小时,客车速度比汽车慢。A地到B地共长400千米。汽车每时比客车快多少千米?

数学题解答

客车中途没有停,它行400千米一共用了5小时。它的速度是:

400÷5=80(千米)

汽车中途停了一小时,它用的时间是:5-1=4(小时)

汽车的速度是:

400÷4=100(千米)

汽车每小时比客车快:

100-80=20(千米)

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