Solutions by everydaycalculation.com
1st number: 9 0/10, 2nd number: 4 9/10
9010 - 4910 is 4110.
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Related: 90/10-98/10 90/20-49/10 90/10-49/20 90/30-49/10 90/10-49/30 90/50-49/10 90/10-49/50 90/70-49/10 90/10-49/70
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