Solutions by everydaycalculation.com
1st number: 2 0/10, 2nd number: 9 0/10
2010 - 9010 is -71.
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Related: 40/10-90/10 20/10-90/20 60/10-90/10 20/30-90/10 20/10-90/30 20/50-90/10 20/10-90/50 20/70-90/10 20/10-90/70
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