8 + 7 − 9 = 15 − 9 = 6
5 + 6 − 8 = 11 − 8 = 3
13 − 5 + 4 = 8 + 4 = 12
14 − 6 + 2 = 8 + 2 = 10
5 + (16 − 8) = 5 + 8 = 13
7 + (15 − 9) = 7 + 6 = 13
Условие:
8 + 7 − 9
5 + 6 − 8
13 − 5 + 4
14 − 6 + 2
5 + (16 − 8)
7 + (15 − 9)
8 + 7 − 9 = 15 − 9 = 6
5 + 6 − 8 = 11 − 8 = 3
13 − 5 + 4 = 8 + 4 = 12
14 − 6 + 2 = 8 + 2 = 10
5 + (16 − 8) = 5 + 8 = 13
7 + (15 − 9) = 7 + 6 = 13