2 + 5 =
3 + 4 =
4 + 3 =
7 – 2 =
7 – 3 =
7 – 4 =
7 – 5 =
7 – 6 =
2 + 6 =
3 + 5 =
4 + 4 =
8 – 2 =
8 – 3 =
8 – 4 =
8 – 5 =
8 – 6 =
8 – 7 =
0 + 9 =
1 + 8 =
2 + 7 =
3 + 6 =
4 + 5 =
5 + 4 =
6 + 3 =
7 + 2 =
9 + 0 =
9 – 0 =
9 – 1 =
9 – 2 =
9 – 3 =
9 – 4 =
9 – 5 =
9 – 6 =
9 – 7 =
9 – 8 =
9 – 9 =