Solutions by everydaycalculation.com
1st number: 3 0/10, 2nd number: 9 0/10
3010 - 9010 is -61.
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Related: 60/10-90/10 30/20-90/10 30/10-90/20 90/10-90/10 30/10-90/30 30/50-90/10 30/10-90/50 30/70-90/10 30/10-90/70
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