12 x 2 = ?, 10 x 6 = ?, 3 x 7 = ?, 7 x 7 = ?, 11 x5 = , 231 + 75 = ?, 25 - 8 =?, 6 x 7 = ?, 5 x 10 = ?, 451 - 222 = ?, 543 + 234 = ?, 4 x 8 = ?, 6 x 3 = ?, 9 x 8 = ?, 812 + 123 = ?.

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