|1/2-1|+|1/3-1/2|+|1/4+1/3|+…+|1/30-1/29|

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 10:59:41
|1/2-1|+|1/3-1/2|+|1/4+1/3|+…+|1/30-1/29|

|1/2-1|+|1/3-1/2|+|1/4+1/3|+…+|1/30-1/29|
|1/2-1|+|1/3-1/2|+|1/4+1/3|+…+|1/30-1/29|

|1/2-1|+|1/3-1/2|+|1/4+1/3|+…+|1/30-1/29|
1-三十分之一=三十分之二十九