слагаемых. 7+18 , 3+(40-23), ( 6+46)-20, 6+27, 7+(90-65), (3+79)-30

Ответы:

25,20,32,33,32,52,.



7 + 18 = 18 +7 = 25

 3+ (40 23) = (3 +40) 23 = 43-23 = 20

(6 +46) 20 = 6 + (46 20) = 6 + 26 = 32

7 + (90 65) = (7 + 90) 65 = 97 65 = 32

(3 + 79) 30 = 3+ (79 30) = 3 + 49 = 52