相邻路灯间的距离

  • 时间:2020-06-24 15:27:04
  • 分类:数学世界
  • 阅读:182 次

爸爸驾车带着小青行驶在从甲地开往乙地的公路上。小青发现,路上每隔一段距离就有一个路灯,于是她数了数每分钟经过的路灯的数目,并告诉了爸爸。爸爸想了一下说:“真有意思,把这个数目乘5,正好等于我们的车速度。”(汽车的时速单位是“千米/小时”)。

如果爸爸的车速不变,且相邻两个路灯间的距离相等,那么,相邻两个路灯间的距离是多少?

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