1 + 8 = ______________________________ 9 7 - 4 = ______________________________ 3 8 - 3 = ______________________________ 5 7 - 6 = ______________________________ 1 3 + 3 = ______________________________ 6 7 - 5 = ______________________________ 2 3 + 5 = ______________________________ 8 7 - 4 = ______________________________ 3 9 - 7 = ______________________________ 2 7 + 2 = ______________________________ 9 8 - 3 = ______________________________ 5 6 + 1 = ______________________________ 7 8 - 4 = ______________________________ 4 3 + 6 = ______________________________ 9 8 - 8 = ______________________________ 0 7 - 6 = ______________________________ 1 4 + 1 = ______________________________ 5 7 - 6 = ______________________________ 1 9 - 7 = ______________________________ 2 6 + 3 = ______________________________ 9 8 + 1 = ______________________________ 9 6 + 4 = ______________________________ 10 5 + 5 = ______________________________ 10 8 - 7 = ______________________________ 1 8 - 4 = ______________________________ 4 3 + 2 = ______________________________ 5 3 + 3 = ______________________________ 6 1 + 9 = ______________________________ 10 3 + 1 = ______________________________ 4 1 + 9 = ______________________________ 10 8 - 6 = ______________________________ 2 9 - 7 = ______________________________ 2 2 + 3 = ______________________________ 5 7 + 1 = ______________________________ 8 9 - 4 = ______________________________ 5 6 + 3 = ______________________________ 9 2 + 2 = ______________________________ 4 8 - 5 = ______________________________ 3 8 - 7 = ______________________________ 1