Solutions by everydaycalculation.com
1st number: 1 15/20, 2nd number: 1/20
3520 - 120 is 1710.
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Related: 70/20-1/20 35/20-2/20 35/40-1/20 35/20-1/40 35/20-3/20 35/60-1/20 35/20-1/60 35/20-5/20 35/20-7/20
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