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((1 11/14 - 4 5/7) * (-4 2/3) + (1 5/8 - 3 2/9) * 18/25) : (-2 3/4) =
= ((1 11/14 - 4 10/14) * (-4 2/3) + (1 45/72 - 3 16/72) * 18/25) : (-2 3/4) =
= (2 13/14 * 4 2/3 + (-1 43/72) * 18/25) : (-2 3/4) =
= (41/14 * 14/3 + (-115/72) * 18/25) : (-2 3/4) =
= (41/3 - 23/8 * 2/5) : (-11/4) =
= (41/3 - 115/4) : (-11/4) =
= (-181/12):(-11/4) =
= 181/12 * 4/11 =
= 181/3 * 1/11 =
= 181/33 =
= 5 16/33
= ((1 11/14 - 4 10/14) * (-4 2/3) + (1 45/72 - 3 16/72) * 18/25) : (-2 3/4) =
= (2 13/14 * 4 2/3 + (-1 43/72) * 18/25) : (-2 3/4) =
= (41/14 * 14/3 + (-115/72) * 18/25) : (-2 3/4) =
= (41/3 - 23/8 * 2/5) : (-11/4) =
= (41/3 - 115/4) : (-11/4) =
= (-181/12):(-11/4) =
= 181/12 * 4/11 =
= 181/3 * 1/11 =
= 181/33 =
= 5 16/33
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