True, 14 - 5 = 9, 12 - 1 = 11, 16 - 9 = 7, 5 - 1 = 4, 19 - 5 = 14, 7 - 7 = 0, 9 - 4 = 5, 17 - 5 = 12, False, 20 - 2 = 11, 1 - 1 = 10, 15 - 4 = 13, 4 - 2 = 18, 3 - 2 = 17, 8 - 5 = 6, 3 - 3 = 10

2nd Class- Subtraction

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