|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:2024/11/08 09:23:12

|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

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

|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
一定对的说。。。。