Răspuns:
a-(2714+3527)-(1989+3373)=1634
a-6241-5362=1634
a-6241=1634+5352
a-6241=6986+6241
a=13227
a - (2714 + 3527) - (1989 + 3373) = 1634
a - 6241 - 5362 = 1634
a - 879 = 1634
a = 1634 + 879
a = 2513
