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