Solutions by everydaycalculation.com
1st number: 9/10, 2nd number: 1 20/30
910 - 5030 is -2330.
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Related: 18/10-50/30 9/20-50/30 9/10-50/60 27/10-50/30 9/30-50/30 9/10-50/90 45/10-50/30 9/50-50/30 63/10-50/30 9/70-50/30
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