求A、B两地的距离
- 时间:2020-06-24 15:27:04
- 分类:数学世界
- 阅读:205 次
甲、乙两辆汽车分别从A、B两站同时相向开出,甲的速度是乙的5/6,结果两车在距中点4千米处相遇。求A、B两站的距离。
分析:“甲的速度是乙的5/6”可知两车的速度是乙快甲慢;并且可以把乙车的速度看成6份,甲车的速度看成5份;又因为两车从出发到相遇所用的时间相同,所以它们所行路程的份数也是甲车为5份,乙车为6份,乙车比甲多行1份。
又因为“两车在距中点4千米处相遇”,所以当相遇时,乙车比甲车多行4+4=8(千米),这8千米正好就是前面的1份。所以,两地的距离就是8×(5+6)=88(千米)

Want to Start a Blog For Your Family Tree? Here’s How Anyone Can Tips for Local Business Blogs 5 Tips to Drive Traffic to Your Blog Ideas to Help You Set Up the Home Office of Your Dreams Wix vs Squarespace 2020 – Things You Must Know How to Delete N Nodes After M Nodes of a Linked List? Bruteforce Algorithm to Find the Unique Positive Integer Whose S Clone (Deep Copy) Binary Tree With Random Pointer using Hash Map How to Compute Running Sum of 1d Array using std::partial_sum in How to Renew the Free SSL Certificates (Nginx Server)?
- 评论列表
-
- 添加评论