Solutions by everydaycalculation.com
1st number: 2 5/20, 2nd number: 2 2/20
4520 - 4220 is 320.
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Related: 90/20-42/20 45/20-84/20 45/40-42/20 45/20-42/40 45/60-42/20 45/20-42/60
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