22-3 = ?, 19, 20, 25, 10, 15 - 4 = ?, 12, 9, 11, 10, 18 - 7 = ?, 11, 9, 10, 12, 20 - 5 = ?, 13, 14, 16, 15, 14 - 6 = ?, 9, 8, 7, 6, 17 - 8 = ?, 8, 7, 10, 9, 13 - 2 = ?, 11, 12, 10, 9, 16 - 9 = ?, 6, 8, 7, 5, 19 - 3 = ?, 15, 16, 14, 17, 12 - 7 = ?, 6, 7, 4, 5, 21 - 4 = ?, 18, 17, 15, 16

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