Solutions by everydaycalculation.com
29 - 57 is -3163.
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Related: 4/9-5/7 2/9-10/7 2/18-5/7 2/9-5/14 6/9-5/7 2/9-15/7 2/27-5/7 2/9-5/21 10/9-5/7 2/9-25/7 2/45-5/7 2/9-5/35 14/9-5/7 2/9-35/7 2/63-5/7 2/9-5/49
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