Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 2 5/10
1810 - 2510 is -710.
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Related: 36/10-25/10 18/10-50/10 18/20-25/10 18/10-25/20 54/10-25/10 18/10-75/10 18/30-25/10 18/10-25/30 90/10-25/10 18/50-25/10 18/10-25/50 18/70-25/10 18/10-25/70
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