|1/2-1/3|+|1/3-1/4|+|1/4-1/5|+···+|1/2014-1/2015|等于多少?像1/2这样的都是分数
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 05:18:35
![|1/2-1/3|+|1/3-1/4|+|1/4-1/5|+···+|1/2014-1/2015|等于多少?像1/2这样的都是分数](/uploads/image/z/2622021-69-1.jpg?t=%7C1%2F2-1%2F3%7C%2B%7C1%2F3-1%2F4%7C%2B%7C1%2F4-1%2F5%7C%2B%C2%B7%C2%B7%C2%B7%2B%7C1%2F2014-1%2F2015%7C%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F%E5%83%8F1%2F2%E8%BF%99%E6%A0%B7%E7%9A%84%E9%83%BD%E6%98%AF%E5%88%86%E6%95%B0)
|1/2-1/3|+|1/3-1/4|+|1/4-1/5|+···+|1/2014-1/2015|等于多少?像1/2这样的都是分数
|1/2-1/3|+|1/3-1/4|+|1/4-1/5|+···+|1/2014-1/2015|等于多少?
像1/2这样的都是分数
|1/2-1/3|+|1/3-1/4|+|1/4-1/5|+···+|1/2014-1/2015|等于多少?像1/2这样的都是分数
|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/2014-1/2013|.
=1/2-1/3+1/3-1/4+1/4-1/5+……+1/2013-1/2014
=1/2-1/2014
=553/1007
打字不易,