Solutions by everydaycalculation.com
59 - 47 is -163.
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Related: 10/9-4/7 5/9-8/7 5/18-4/7 5/9-4/14 15/9-4/7 5/9-12/7 5/27-4/7 5/9-4/21 25/9-4/7 5/9-20/7 5/45-4/7 5/9-4/35 35/9-4/7 5/9-28/7 5/63-4/7 5/9-4/49
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