Răspuns :
a²-b²=2003
(a+b)(a-b)=2003×1
a+b=2003
a-b=1
2a=2003+1
a=2004:2=1002
b=2003-1002=1001
1002²-1001²=2003
(a+b)(a-b)=2003×1
a+b=2003
a-b=1
2a=2003+1
a=2004:2=1002
b=2003-1002=1001
1002²-1001²=2003