Ответ:15 − 7 + 6 = 8 + 6 = 14.24 − 20 + 8 = 4 + 8 = 12.30 + 40 − 20 = 70 − 20 = 50.13 − 3 + 5 = 10 + 5 = 15.7 + 30 − 10 = 37 − 10 = 27.69 − 60 + 5 = 9 + 5 = 14.