Solutions by everydaycalculation.com
1st number: 1 11/21, 2nd number: 9/12
3221 - 912 is 6584.
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Related: 64/21-9/12 32/21-18/12 32/42-9/12 32/21-9/24 96/21-9/12 32/21-27/12 32/63-9/12 32/21-9/36 32/21-45/12 32/21-9/60 32/21-63/12 32/21-9/84
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