|1/2-1|+|1/3-1/2|.|1/2012-1/2011|=?
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/14 12:36:05
|1/2-1|+|1/3-1/2|.|1/2012-1/2011|=?|1/2-1|+|1/3-1/2|.|1/2012-1/2011|=?|1/2-1|+|1/3-1/2|.|1/2012-1/20
|1/2-1|+|1/3-1/2|.|1/2012-1/2011|=?
|1/2-1|+|1/3-1/2|.|1/2012-1/2011|=?
|1/2-1|+|1/3-1/2|.|1/2012-1/2011|=?
原式=1-1/2+1/2-1/3+1/3.+1/2011-1/2012 =1-1/2012 =2011/2012