Răspuns :
Răspuns:
a) 5934-2613= 3321; 3321+2613= 5934
b) 7653-6412= 1241; 1241+6412= 7653
c) 9874-6522= 3352; 3352+6522=9874
Răspuns:
a) 5934-2613=3321
5934-3321=2613( verif.1)
3321+2613=5934(verif.2)
b)7653-6412=1241
7653-1241=6412 (verif.1)
1241+6412=7653(verif. 2)
c)9784-6522=3262
9784-3262=6522( verif. 1)
6522+3262=9784( verif. 2)