Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 1 15/20
1810 - 3520 is 120.
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Related: 36/10-35/20 18/10-70/20 18/20-35/20 18/10-35/40 54/10-35/20 18/30-35/20 18/10-35/60 90/10-35/20 18/50-35/20 18/70-35/20
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