2745+X+563=563+2745=3308
3308-2745-563=0
V=2745+0+563=3308
9465-X+396=357+584=941
9465-941+396=8920
V=9465-8920+396=941
a+2852+187=4003
4003-2852-187=964
V=964+2852+187=4003
a-3284-814=2350
2350+3284+814=6448
V=6448-3284-814=2350
sper ca team ajutat ... leam si verificat deci cred ca e bine
