|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:2024/07/13 17:25:39
|1/2-1|+|1/3-1/2|+|1/4+1/3|+…+|1/30-1/29|
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|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