Solutions by everydaycalculation.com
1st number: 2 5/20, 2nd number: 3 3/5
4520 - 185 is -2720.
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Related: 90/20-18/5 45/20-36/5 45/40-18/5 45/20-18/10 45/20-54/5 45/60-18/5 45/20-18/15 45/20-90/5 45/20-18/25 45/20-18/35
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