2002*200320032003-2003*20022002002

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2002*200320032003-2003*20022002002
x)32000 "@"F D6IE(/ypu`چ`W\#>}0 RM;D. T 1/.H̳`RM

2002*200320032003-2003*20022002002
2002*200320032003-2003*20022002002

2002*200320032003-2003*20022002002
2002*200320032003-2003*200220022002
=2002*(200220022002+100010001)-2003*200220022002
=2002*200220022002+2002*100010001-2003*200220022002
=200220022002*(2002-2003)+2002*100010001
=-200220022002+2002*100010001
=-2002*100010001+2002*100010001
=0