(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/2003(“/”表示分数线,

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(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/2003(“/”表示分数线,(2002+20022002+20022002200

(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/2003(“/”表示分数线,
(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/2003(“/”表示分数线,

(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/2003(“/”表示分数线,
(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/2003
=2002(1+10001+100010001)/2003(1+10001+100010001)+1/2003
=2002/2003+1/2003
=1