|1-1/2|+|1/2-1/3|+|1/3-1/4|+...|1/9-1/10|
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 15:42:52
![|1-1/2|+|1/2-1/3|+|1/3-1/4|+...|1/9-1/10|](/uploads/image/z/11517421-13-1.jpg?t=%7C1-1%2F2%7C%2B%7C1%2F2-1%2F3%7C%2B%7C1%2F3-1%2F4%7C%2B...%7C1%2F9-1%2F10%7C)
|1-1/2|+|1/2-1/3|+|1/3-1/4|+...|1/9-1/10|
|1-1/2|+|1/2-1/3|+|1/3-1/4|+...|1/9-1/10|
|1-1/2|+|1/2-1/3|+|1/3-1/4|+...|1/9-1/10|
1-1/2+1/2-1/3+1/3-1/4+...1/9-1/10=1-1/10=9/10