Solutions by everydaycalculation.com
1st number: 6/20, 2nd number: 4 10/20
620 - 9020 is -215.
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Related: 12/20-90/20 6/40-90/20 6/20-90/40 18/20-90/20 6/60-90/20 6/20-90/60 30/20-90/20 42/20-90/20
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