Question

вычисли и проверь решение 48+15 34-17 68+29 41-27

Answer 1

48 + 15 = 63
(63 - 15 = 48)

34 - 17 = 17
17 + 17 = 34

68 + 29 = 97
97 - 29 =68

41 - 27 = 14
14 + 27 = 41