Răspuns :
Răspuns:
9 + 6 = 15
Proba : 15 - 6 = 9
11 - 7 = 4
Proba : 4 + 7 = 11
4 + 8 = 12
Proba : 12 - 8 = 4
14 - 5 = 9
Proba : 9 + 5 = 14
..............
Răspuns:
9+6=15
V:15-6=9/15-9=6
4+8=12
V:12-4=8/12-8=4
14-5=9
V:5+9=14/9+5=14
11-7=4
V:4+7=11/7+4=11