Solutions by everydaycalculation.com
1st number: 5 0/10, 2nd number: 1 5/10
5010 - 1510 is 72.
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Related: 50/10-30/10 50/20-15/10 50/10-15/20 50/10-45/10 50/30-15/10 50/10-15/30 50/10-75/10 50/10-15/50 50/70-15/10 50/10-15/70
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