作业帮|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|.[跪地]
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 04:00:35
![|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|.[跪地]](/uploads/image/z/1160985-57-5.jpg?t=%7C1%2F2004-1%2F2003%7C%2B%7C1%2F2003-1%2F2002%7C%2B%E2%80%A6%E2%80%A6%2B%7C1%2F1003-1%2F1002%7C.%5B%E8%B7%AA%E5%9C%B0%5D)
|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|.[跪地]
|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|
.[跪地]
|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|.[跪地]
|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|
=1/2003-1/2004+1/2002-1/2003+……+1/1002-1/1003
=1/1002-1/2004
=1/2004
负一千零二分之一 -1/1002
-1/2004
|1/2004-1/2003|+|1/2003-1/2002|+……+|1/1003-1/1002|
=(1/2003-1/2004)+(1/2002-1/2003)+………+(1/1003-1/1004)+(1/1002-1/1003)
=-1/2004+(1/2003-1/2003)+(1/2002-1/2002)+………+(1/1004-1/1004)+(1/1003-1/1003)+1/1002
=1/1002-1/2004
=1/2004