12 + 18 = ?, 32, 30, 29, 28, 14 + 16 = ?, 30, 28, 31, 27, 11 + 19 = ?, 32, 29, 20, 30, 13 + 17 = ?, 26, 28, 30, 31, 15 + 15 = ?, 35, 25, 29, 30, 21 + 9 = ?, 30, 29, 27, 33, 22 + 8 = ?, 26, 30, 28, 31, 23 + 7 = ?, 32, 29, 30, 27, 24 + 6 = ?, 26, 28, 31, 30, 25 + 5 = ?, 30, 20, 35, 29, 27 - 9 = ?, 16, 18, 19, 17, 25 - 7 = ?, 15, 17, 18, 20, 23 - 5 = ?, 18, 19, 14, 16, 22 - 4 = ?, 16, 18, 17, 19, 21 - 3 = ?, 17, 19, 18, 15, 20 - 2 = ?, 15, 19, 16, 18, 19 - 1 = ?, 17, 16, 20, 18, 30 - 12 = ?, 20, 18, 19, 16, 28 - 10 = ?, 16, 17, 18, 20, 26 - 8 = ?, 18, 19, 16, 17, 2 × 3 = ?, 6, 8, 5, 7, 4 × 2 = ?, 10, 6, 12, 8, 5 × 3 = ?, 12, 15, 10, 18, 6 × 2 = ?, 16, 14, 12, 10, 7 × 1 = ?, 9, 6, 7, 8, 8 × 2 = ?, 16, 18, 14, 12, 9 × 3 = ?, 30, 21, 24, 27, 3 × 4 = ?, 16, 12, 10, 14, 5 × 5 = ?, 25, 15, 30, 20, 4 × 6 = ?, 18, 24, 20, 28

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