2. 54 + 20 60 + 18 97 + 3 6 + 71 46 + 30 20 + 14 78 + 2 64 + 3

54 + 20 = 74

60 + 18 = 78

97 + 3 = 100

6 + 71 = 77

46 + 30 = 76

20 + 14 = 34

78 + 2 = 80

64 + 3 = 67