Solutions by everydaycalculation.com
516 - 25 is -780.
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Related: 10/16-2/5 5/16-4/5 5/32-2/5 5/16-2/10 15/16-2/5 5/16-6/5 5/48-2/5 5/16-2/15 25/16-2/5 5/16-10/5 5/80-2/5 5/16-2/25 35/16-2/5 5/16-14/5 5/16-2/35
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