Write the answers to the addition questions below (the first one is done for you).
2 + 3 = 5
1 + 8 = 9
2 + 5 = 7
3 + 6 = 9
4 + 2 = 6
5 + 3 = 8
6 + 1 = 7
7 + 2 = 9
8 + 0 = 8
9 + 0 = 9
2 + 6 = 8
3 + 4 = 7
4 + 1 = 5
5 + 2 = 7
2 + 7 = 9
3 + 5 = 8
4 + 5 = 9
1 + 7 = 8
1 + 6 = 7
5 + 4 = 9
2 + 4 = 6
4 + 3 = 7
1 + 0 = 1