若ab减2的绝对值加b减1的绝对值等于0那么求ab/1+(a+1)乘(b+1)/1+(a+2)乘(b+2)/1+……+(a+2003)乘(b+2003)/1=?(修改一下)是求1/ab+1/﹙a+1﹚﹙b+1﹚+1/﹙a+2﹚﹙b+2﹚+……+1/﹙a+2003﹚﹙b+2003﹚的值

问题描述:

若ab减2的绝对值加b减1的绝对值等于0那么
求ab/1+(a+1)乘(b+1)/1+(a+2)乘(b+2)/1+……+(a+2003)乘(b+2003)/1=?
(修改一下)是求1/ab+1/﹙a+1﹚﹙b+1﹚+1/﹙a+2﹚﹙b+2﹚+……+1/﹙a+2003﹚﹙b+2003﹚的值