AB两地的路程是550千米
- 时间:2020-05-20 15:28:23
- 分类:数学世界
- 阅读:83 次
数学题:AB两地的路程是550千米,甲乙两车从两地同时相对而行,行了4小时没相遇,还剩20%。已知甲车每小时行60千米,求乙车每小时行多少千米?
数学题解答:设乙车每小时行x千米。
60×4+4x=550×(1-20%)
240+4x=440
4x=200
x=50
答:乙车每小时行50千米。
推荐阅读:Unobvious Life Hacks for Ads Optimization in Google Essential Traits That Will Help Bloggers Work From Home Successf Examining the Physical and Mental Health of Writers and Bloggers How will Blogging Change after the Pandemic? Digital Relationships: 5 Tips For Building A Better Veterinary B The 2020 Pandemic Further Boosts Earnings and Influence of Blogg What to Do When Your Blog Gets Too Big for You Alone Minimum Numbers of Function Calls to Make Target Array Harddrives will fail – it is just a matter of when Bruteforce/DFS/Backtracking Algorithm using Javascript to Solve
- 评论列表
-
- 添加评论