孙老师今年36岁,陈天任今年10岁
- 时间:2020-06-19 15:24:28
- 分类:数学世界
- 阅读:135 次
孙老师今年36岁,陈天任今年10岁,多少年后孙老师年龄是陈天任3倍?请用小学数学方法解答。
解答如下:36-10=26(岁),这是孙老师比陈天任大的岁数,也是N年之后孙老师比陈天任大的岁数。当孙老师年龄是陈天任的3倍时,他比陈天任的岁数多:3-1=2(倍),陈天任岁数的2倍是26岁,那么一倍就是26÷2=13(岁),所以那时陈天任13岁,孙老师是13×3=39(岁),这是几年之后的事情呢?
13-10=3(年)或39-36=3(年),答:3年之后陈老师的岁数是陈天任的3倍。
推荐阅读:The Intersection Algorithm of Two Arrays using Hash Maps in C++/ What Businesses Would Be Like if Web Hosting Didn’t Exist? How to Find the Dominant Index in Array (Largest Number At Least K Closest Points to Origin Algorithm by using Priority Queues in Total Number of Ways to Decode the Message via Dynamic Programmi The License Key Formatting Algorithm in C++ Integrating LinkedIn Long-Form Posts in Your Blogging Strategy A Quick Guide on Beefing Up Your WordPress Security 10 Proven Ways to Destroy Writer’s Block 3 Chrome Blogging Extensions to Watch Out for 2015
- 评论列表
-
- 添加评论