Solutions by everydaycalculation.com
1st number: 1 12/20, 2nd number: 5/12
3220 - 512 is 7160.
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Related: 64/20-5/12 32/20-10/12 32/40-5/12 32/20-5/24 96/20-5/12 32/20-15/12 32/60-5/12 32/20-5/36 32/20-25/12 32/20-5/60 32/20-35/12 32/20-5/84
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