Solutions by everydaycalculation.com
715 - 35 is -215.
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Related: 14/15-3/5 7/15-6/5 7/30-3/5 7/15-3/10 21/15-3/5 7/15-9/5 7/45-3/5 7/15-3/15 35/15-3/5 7/15-15/5 7/75-3/5 7/15-3/25 49/15-3/5 7/15-21/5 7/15-3/35
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