Solutions by everydaycalculation.com
814 - 78 is -1756.
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Related: 16/14-7/8 8/14-14/8 8/28-7/8 8/14-7/16 24/14-7/8 8/14-21/8 8/42-7/8 8/14-7/24 40/14-7/8 8/14-35/8 8/70-7/8 8/14-7/40 56/14-7/8 8/14-49/8 8/98-7/8 8/14-7/56
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