Ответ:47 + 8 = 47 + 3 + 5 = 55.36 + 7 = 36 + 4 + 3 = 43.58 − 9 = 58 − 8 − 1 = 49.72 − 6 = 66.49 + 5 = 54.63 − 7 = 56.