27 + 17 = - forty-four, 27 - 22 = - five, 53 + 46 = - ninety-nine, 9 . 9 = - eighty-one, 36 - 10 = - twenty-six, 42 : 7 = - six, 28 + 49 = - seventy-seven, 8 . 8 = - sixty-four, 100 - 21 = - seventy-nine, 99 : 3 = - thirty-three, 7 . 8 = - fifty-six, 73 + 27 = - a hundred,

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