Solutions by everydaycalculation.com
1st number: 9/20, 2nd number: 4 10/20
920 - 9020 is -8120.
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Related: 18/20-90/20 9/40-90/20 9/20-90/40 27/20-90/20 9/60-90/20 9/20-90/60 45/20-90/20 63/20-90/20
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