16, ? - 9 = 7, 20, ? - 17 = 3, 6, 11 - ? = 5, 5, 7 - ? = 2, 8, ? - 2 = 6, 1, 2 - ? = 1, 12, ? - 1 = 11, 13, ? - 9 = 4, 4, 6 - ? = 2, 14, ? - 4 = 10

Missing Number Subtraction

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