Solutions by everydaycalculation.com
1st number: 2 10/20, 2nd number: 18/20
5020 - 1820 is 85.
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Related: 50/20-36/20 50/40-18/20 50/20-18/40 50/20-54/20 50/60-18/20 50/20-18/60 50/20-90/20
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