Solutions by everydaycalculation.com
812 - 612 is 16.
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Related: 16/12-6/12 8/24-6/12 8/12-6/24 24/12-6/12 8/12-18/12 8/36-6/12 8/12-6/36 40/12-6/12 8/12-30/12 8/60-6/12 8/12-6/60 56/12-6/12 8/12-42/12 8/84-6/12 8/12-6/84
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