Solutions by everydaycalculation.com
1st number: 5 0/10, 2nd number: 2 0/10
5010 - 2010 is 31.
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Related: 50/10-40/10 50/20-20/10 50/10-60/10 50/30-20/10 50/10-20/30 50/10-20/50 50/70-20/10 50/10-20/70
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