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