∵|ab-2|与|b-1|互为相反数∴|ab-2|+|b-1|=0ab-2=0 b-1=0∴b=1 a=2∴1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+…+1/(a+2013)(b+2013) =1/1*2+1/2*3+1/3*4+1/4*5+.....+1/2013*2014=1-1/2+1/2-1/3+1/3-1/4+1/4-1/5+.....+1/2013-1/2014=1-1/2014=2013/2014