Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 2/10
1810 - 210 is 85.
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Related: 36/10-2/10 18/10-4/10 18/20-2/10 18/10-2/20 54/10-2/10 18/10-6/10 18/30-2/10 18/10-2/30 90/10-2/10 18/50-2/10 18/10-2/50 18/10-14/10 18/70-2/10 18/10-2/70
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