I have been learning what number don't make 7.

I have been learning what number makes 7.

7 - 0 = 7

2 + 5 = 7

0 - 7 = 7

6 + 1 = 7

3 + 4 = 7

5 + 2 = 7

4 + 3 = 7

1 + 6 = 7.