5 - 11 - 6 =, 10 - 7 + 3=, 0 - 9 -9 =, 13 - 8 + 5=, 5 - 7 - 2 =, 8 - 4 + 4=, 10 - 5 + 5=, 12 - 6 + 6 =, 10 - 10 - 0 =, 16 - 8 + 8 =, 2 - 1 + 1 =, 6 - 9 - 3 =, 6 - 3 + 3 =, 0 - 0 + 0 =, 1 - 0 + 1 =, 2 - 0 + 2 =, 3 - 0 + 3 =, 4 - 0 + 4 =, 20 - 10 + 10 =, 0 - 0 - 0 =, 7 - 14 - 7 =, 6 - 12 - 6 =, 5 - 8 -3 =,

Addition and Subtraction

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