求AB两站距离的问题

  • 时间:2020-05-29 14:54:04
  • 分类:数学世界
  • 阅读:152 次

求AB两站距离的问题:两车同时从A、B两站出发,第一次在离A站40千米的地方相遇,以同样的速度前行到达站返回,第二次在离B站20千米的地方相遇,求A、B两站的距离?

数学题解答:这是一道四年级的数学问题,有一些难度。需要借助画线段图来帮助理解,两次相遇他们的总路程就是三个全程,由于每当两车一共行了一个全程时,从A站出发的车就会行40千米,所以从A站出发的车走了3个40,比全程多了20。ab间的距离为40×3-20=100(km)。

求AB两站距离

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