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