由题ab-2的绝对值与b-1的绝对值互为相反数,得ab-2=0 b-1=0则, a=2 b=11/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+……+1/(a+2013)(b+2013)=1/2+1/(2x3)+1/(3x4)+……1/(2014x2015)=1/2+(1/2-1/3)+(1/3-1/4)+……+(1/2014-1/2015)=1-1/2015=2014/2015
拉了这么久答案就是ab