Răspuns :
a+b=3601
a-3
b:(a-3)=2 rest 1 =>b=2(a-3)+1 =>b=2a-6+1 =>b=2a-5
a+2a-5=3601
3a=3606 =>a=1202
b=3601-1202 =>b=2399
a-3
b:(a-3)=2 rest 1 =>b=2(a-3)+1 =>b=2a-6+1 =>b=2a-5
a+2a-5=3601
3a=3606 =>a=1202
b=3601-1202 =>b=2399
a+b=3601 si b=2 (a-3)+1=2a-5. Atunci 2a+a-5=3601, 3a=3606, a=1202 si b=3601-1202=2399