Solutions by everydaycalculation.com
612 - 512 is 112.
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Related: 6/12-10/12 6/24-5/12 6/12-5/24 18/12-5/12 6/12-15/12 6/36-5/12 6/12-5/36 30/12-5/12 6/12-25/12 6/60-5/12 6/12-5/60 42/12-5/12 6/12-35/12 6/84-5/12 6/12-5/84
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