|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2013-1/2012|
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/30 07:06:26
![|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2013-1/2012|](/uploads/image/z/803558-38-8.jpg?t=%7C1%2F2-1%7C%2B%7C1%2F3-1%2F2%7C%2B%7C1%2F4-1%2F3%7C%2B%E2%80%A6%E2%80%A6%2B%7C1%2F2013-1%2F2012%7C)
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lQ `ICyv ? W:
|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2013-1/2012|
|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2013-1/2012|
|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2013-1/2012|
|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2013-1/2012|
=1-1/2+1/2-1/3+1/3-1/4+……+1/2012-1/2013
=1-1/2013
=2012/2013