Solutions by everydaycalculation.com
16 - 815 is -1130.
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Related: 2/6-8/15 1/6-16/15 1/12-8/15 1/6-8/30 3/6-8/15 1/6-24/15 1/18-8/15 1/6-8/45 5/6-8/15 1/6-40/15 1/30-8/15 1/6-8/75 7/6-8/15 1/6-56/15 1/42-8/15
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