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