Solutions by everydaycalculation.com
1st number: 1 10/20, 2nd number: 1 5/20
3020 - 2520 is 14.
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Related: 60/20-25/20 30/20-50/20 30/40-25/20 30/20-25/40 90/20-25/20 30/20-75/20 30/60-25/20 30/20-25/60
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