Ответ:60 + 7 = 67.86 − 6 = 80.92 − 90 = 2.16 − 7 + 40 = 9 + 40 = 49.14 − 9 + 50 = 5 + 50 = 55.78 − 70 + 6 = 8 + 6 = 14.