|1/101-1/99|-|1/100-1/99|-|1/100-1/101|

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 12:55:32

|1/101-1/99|-|1/100-1/99|-|1/100-1/101|
|1/101-1/99|-|1/100-1/99|-|1/100-1/101|

|1/101-1/99|-|1/100-1/99|-|1/100-1/101|
|1/101-1/99|-|1/100-1/99|-|1/100-1/101|
=1/99-1/101-(1/99-1/100)-(1/100-1/101)
=1/99-1/101-1/99+1/100-1/100+1/101
=0