6 + 6 = 12 3 + 7 = 10 1 + 5 = 6

20 + 6 = 26 8 + 4 = 12 0 + 0 = 0

10 + 10 = 20 2 + 6 = 8 8 + 1 = 9

10 + 8 = 18 2 + 6 = 8 9 + 4 = 13

20 + 6= 26 1 + 0 = 1 3 + 3 = 6

0 + 7 = 7 8 + 8 = 16 7 + 4 = 11

10 + 5 = 15 1 + 8 = 9 3 + 3 = 6

9 + 6 = 15 1 + 5 = 6 2 + 7 = 9

30 + 1 = 31 5 + 2 = 7 2 + 2 = 4

8 + 6 = 14 1 + 5 = 6 7 + 2 = 9