奇特的算法
- 时间:2020-04-12 12:50:14
- 分类:数学世界
- 阅读:147 次
奇特的算法:我们常常会遇到被减数与减数的个位、十位上的数字正好互换的题目,如:91-19,82-18,73-37等。
计算这一类题目有一种特殊的简便方法,只要用被减数十位上的数字与个位上数字的差乘9,就可以得到结果。
比如:73-37,可以这样算:7-3=4 → 4×9=36 → 73-37=36。神奇吧!你也来试试吧!
找几道这样的题目,用上面的方法算一算,看看是否真的与正确的得数相同。
推荐阅读:Ways to Find Out if a Ghost Blogger is Right for You Why You SHOULDN’T Use WordPress as Your Blogging Platform How to Maximize Your Freelance Profits Using the Power of Emotio What to Expect from Hiring Outsourced Content Writers Call for Minimalism: How the New Wave of Blogging Platforms Give 3 Easy Ways to Improve Writing Skills Explaining The Perfect Website Design to Non-Designers Clear Skies Ahead – The Shift to Cloud Computing Content Creation Versus Content Sharing How Bloggers Can Help During Times of Tragedy
- 评论列表
-
- 添加评论