|1-1/2|+|1/2-1/3|+|1/3-1/4|+|14/-+···+|1/2012-1/2013|+|1/2013-1/2014|=?
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/18 13:08:08
|1-1/2|+|1/2-1/3|+|1/3-1/4|+|14/-+···+|1/2012-1/2013|+|1/2013-1/2014|=?|1-1/2|+|1/2-1/3|+|1/3-1/4|+|
|1-1/2|+|1/2-1/3|+|1/3-1/4|+|14/-+···+|1/2012-1/2013|+|1/2013-1/2014|=?
|1-1/2|+|1/2-1/3|+|1/3-1/4|+|14/-+···+|1/2012-1/2013|+|1/2013-1/2014|=?
|1-1/2|+|1/2-1/3|+|1/3-1/4|+|14/-+···+|1/2012-1/2013|+|1/2013-1/2014|=?
可以直接开绝对值啊,然后相邻两项约掉,答案为1-1/2014=2013/2014