Ответ:
45 − 9 + 8 = 36 + 8 = 44.
21 − 4 + 3 = 17 + 3 = 20.
56 − 8 + 3 = 48 + 3 = 51.
37 − 8 + 4 = 29 + 4 = 33.
72 − 6 + 4 = 66 + 4 = 70.
42 − 5 + 7 = 37 + 7 = 44.
45 − 9 + 8 = 36 + 8 = 44.
21 − 4 + 3 = 17 + 3 = 20.
56 − 8 + 3 = 48 + 3 = 51.
37 − 8 + 4 = 29 + 4 = 33.
72 − 6 + 4 = 66 + 4 = 70.
42 − 5 + 7 = 37 + 7 = 44.