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：2024/11/08 00:48:40
|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