Условие:

26 − 8
26 + 8
32 − 6
27 + 8
75 − 9
86 + 7
32 − 4
65 + 8

26 − 8 = 26 − (6 + 2) = 26 − 6 − 2 = 20 − 2 = 18
26 + 8 = 26 + (4 + 4) = 26 + 4 + 4 = 30 + 4 = 34
32 − 6 = 32 − (2 + 4) = 32 − 2 − 4 = 30 − 4 = 26
27 + 8 = 27 + (3 + 5) = 27 + 3 + 5 = 30 + 5 = 35
75 − 9 = 75 − (5 + 4) = 75 − 5 − 4 = 70 − 4 = 66
86 + 7 = 86 + (4 + 3) = 86 + 4 + 3 = 90 + 3 = 93
32 − 4 = 32 − (2 + 2) = 32 − 2 − 2 = 30 − 2 = 28
65 + 8 = 65 + (5 + 3) = 65 + 5 + 3 = 70 + 3 = 73