Ответ:\(7+7-5=14-5=9\)\(4+9-3=13-3=10\)\(48-40+6=8+6=14\)\(56-50+7=6+7=13\)\(34-4-30=30-30=0\)\(87-7-80=80-80=0\)Ответ: 9; 10; 14; 13; 0; 0.