Ⅰ1/10-1/11Ⅰ+Ⅰ1/11-1/12Ⅰ+ .+Ⅰ1/49-1/50ⅠDDDDDDDDDDD

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 04:27:10
Ⅰ1/10-1/11Ⅰ+Ⅰ1/11-1/12Ⅰ+ .+Ⅰ1/49-1/50ⅠDDDDDDDDDDD

Ⅰ1/10-1/11Ⅰ+Ⅰ1/11-1/12Ⅰ+ .+Ⅰ1/49-1/50ⅠDDDDDDDDDDD
Ⅰ1/10-1/11Ⅰ+Ⅰ1/11-1/12Ⅰ+ .+Ⅰ1/49-1/50Ⅰ
DDDDDDDDDDD

Ⅰ1/10-1/11Ⅰ+Ⅰ1/11-1/12Ⅰ+ .+Ⅰ1/49-1/50ⅠDDDDDDDDDDD
最后等于 1/10-1/50 =4/50=2/25

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