Помогите второе задание 2а
20+ (3+5)= 28
30 + (7-2) = 35
40 + (8-2) = 46
30 + (2+7) = 39
50+(6-4)= 52
20+(2+6) = 28
50+(3+6)=59
40+(9-5)=44
70+(7-6)=71
80+(3-2)=81
70+(5-4)=71
30+(5+4)=39
