Частина 1. Номер 122

28 + 28 = 56;

91 – 19 = 72;

76 – 59 = 17;

34 + 34 = 68;

39 – 21 = 18;

49 + 2 = 51;

53 + 8 = 61;

68 + 5 = 73;

42 – 4 = 38;

54 – 20 = 34.