Ответ:
15 − 7 + 6 = 8 + 6 = 14
24 − 20 + 8 = 4 + 8 = 12
30 + 40 − 20 = 70 − 20 = 50
13 − 3 + 5 = 10 + 5 = 15
7 + 30 − 10 = 37 − 10 = 27
60 + 9 − 60 = 69 − 60 = 9
15 − 7 + 6 = 8 + 6 = 14
24 − 20 + 8 = 4 + 8 = 12
30 + 40 − 20 = 70 − 20 = 50
13 − 3 + 5 = 10 + 5 = 15
7 + 30 − 10 = 37 − 10 = 27
60 + 9 − 60 = 69 − 60 = 9