10 - 2 = ___ 10 - 9 = ___ 5 - 4 = ___
2 - 0 = ___ 10 - 7 = ___ 16 - 7 = ___
14 - 5 = ___ 7 - 1 = ___ 10 - 4 = ___
2 - 0 = ___ 11 - 4 = ___ 3 - 0 = ___
2 - 0 = ___ 6 - 6 = ___ 12 - 5 = ___
5 - 3 = ___ 12 - 4 = ___ 4 - 4 = ___
7 - 7 = ___ 11 - 9 = ___ 13 - 9 = ___
12 - 5 = ___ 9 - 7 = ___ 4 - 1 = ___
8 - 2 = ___ 15 - 7 = ___ 1 - 1 = ___
12 - 9 = ___ 11 - 4 = ___ 17 - 8 = ___