16 questions
1 + 1 =
7
2
6
4
2 + 1 =
3
8
4
3 + 2 =
7
5
8
5 + 1 =
2
6
9
2 + 3 =
1
5
7
7 + 1 =
2
8
3
2 + 8 =
2
7
10
2 + 2 =
1
6
4
1 + 3
1
3
4
2 + 6 =
8
4
5
1 + 8 =
4
2
9
2 + 1 =
9
7
3
5 + 1 =
6
8
9
3 + 3 =
7
2
6
4 + 4 =
2
5
8
5 + 5 =
10
2
3