解:因为有理数a、b满足|a-1|+(b-2)^2=0,所以a=1,b=2。 故,1/(ab)+1/[(a+1)(b+1)]+1/[(a+2)(b+2)]+…+1/[(a+99)(b+99)] =1/(1*2)+1/(2*3)+1/(3*4)+…+1/(100*101) =(1-1/2)+(1/2-1/3)+(1/3-1/4)+…+(1/100-1/101) =1-1/101 =100/101