求A、B两地的距离
- 时间:2020-06-24 15:27:04
- 分类:数学世界
- 阅读:225 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)

How to Compute the Number of Days in a Month? How to Determine the Leap Year? How to Determine the Armstrong Number? Facebook Recommends Psychiatrist’s Friends Connect, Completely V 3 Link Building Methods Every Blogger Should Be Using 3 Types of Sticky Content Bloggers Should Be Using The Basics of Building an SEO-Friendly Site with Wix Social Media Image Sizes Cheat Sheet for 2016 The Blogging Evolution: From Hobby To Marketing Tool We Want Plates! Food Blogger Criticizes Quirky Food Serving Tren
- 评论列表
-
- 添加评论