Solutions by everydaycalculation.com
1521 - 112 is 5384.
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Related: 30/21-1/12 15/21-2/12 15/42-1/12 15/21-1/24 45/21-1/12 15/21-3/12 15/63-1/12 15/21-1/36 75/21-1/12 15/21-5/12 15/21-1/60 15/21-7/12 15/21-1/84
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