Solutions by everydaycalculation.com
1st number: 1 20/30, 2nd number: 10/30
5030 - 1030 is 43.
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Related: 50/30-20/30 50/60-10/30 50/30-10/60 50/90-10/30 50/30-10/90 50/30-50/30 50/30-70/30
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