1 + 8 = ??
9
1 + 1 = ??
2
3 + 3 = ??
6
9 - 3 = ??
6
10 - 2 = ??
8
5 - 1 = ??
4
6 - 5 = ??
1
3 + 3 = ??
6
2 + 4 = ??
6
3 + 4 = ??
7
8 - 5 = ??
3
4 - 2 = ??
2
4 + 6 = ??
10
2 + 7 = ??
9