Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 15/20
1810 - 1520 is 2120.
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Related: 36/10-15/20 18/10-30/20 18/20-15/20 18/10-15/40 54/10-15/20 18/10-45/20 18/30-15/20 18/10-15/60 90/10-15/20 18/10-75/20 18/50-15/20 18/70-15/20
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