5 + 3 = 88 - 5 = 3
12 + 3 = 1515 - 12 = 3
34 + 3 = 3737 - 34 = 3
45 + 3 = 4848 - 45 = 3
67 + 3 = 7070 - 67 = 3
78 + 3 = 8181 - 78 = 3
90 + 3 = 9393 - 90 = 3
56 + 3 = 5959 - 56 = 3
5 + 3 = 8
8 - 5 = 3
12 + 3 = 15
15 - 12 = 3
34 + 3 = 37
37 - 34 = 3
45 + 3 = 48
48 - 45 = 3
67 + 3 = 70
70 - 67 = 3
78 + 3 = 81
81 - 78 = 3
90 + 3 = 93
93 - 90 = 3
12 + 3 = 15
15 - 12 = 3
34 + 3 = 37
37 - 34 = 3
56 + 3 = 59
59 - 56 = 3
78 + 3 = 81
81 - 78 = 3
90 + 3 = 93
93 - 90 = 3