Răspunsuri

2014-10-24T18:32:21+03:00
2003+2·(2002·2003):2=2003+2002·2003=2003·(1+2002)=2003·2003=2003² deci patrat perfect
2014-10-24T20:23:56+03:00

A=2003+2*(2002*2003:2)=2003(1+2002)=2003*2003=2003^2=patrat perfect