Solutions by everydaycalculation.com
1st number: 3 1/5, 2nd number: 2 5/20
165 - 4520 is 1920.
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Related: 32/5-45/20 16/5-90/20 16/10-45/20 16/5-45/40 48/5-45/20 16/15-45/20 16/5-45/60 80/5-45/20 16/25-45/20 16/35-45/20
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