Вычисли значения выражений.
15 + 8 = ☐☐
27 + 4 = ☐☐
54 + 6 = ☐☐
62 + 8 = ☐☐
85 + 9 = ☐☐
67 + 6 = ☐☐
43 − 7 = ☐☐
51 − 3 = ☐☐
72 − 8 = ☐☐
15 + 8 = 23
27 + 4 = 31
54 + 6 = 60
62 + 8 = 70
85 + 9 = 94
67 + 6 = 73
43 − 7 = 36
51 − 3 = 48
72 − 8 = 64