若|ab-2|+|b-1|=0,试求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+…+1/(a+2003)(b+2003)若|ab-2|+|b-1|=0,试求 1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+…+1/(a+2003)(b+2003)
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