Solutions by everydaycalculation.com
38 - 47 is -1156.
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Related: 6/8-4/7 3/8-8/7 3/16-4/7 3/8-4/14 9/8-4/7 3/8-12/7 3/24-4/7 3/8-4/21 15/8-4/7 3/8-20/7 3/40-4/7 3/8-4/35 21/8-4/7 3/8-28/7 3/56-4/7 3/8-4/49
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