Question

3 5 7 9 taken 2 at a time

Answer 1

1 + 2 = 3 + 2 = 5 + 2 = 7 + 2 = 9

Answer 2

Answer:

1 +2 = 3

3 + 3 = 6

5 + 2 = 7

7 + 2 = 9

9 + 2 = 11

hope it helps