Solutions by everydaycalculation.com
812 - 112 is 712.
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Related: 16/12-1/12 8/12-2/12 8/24-1/12 8/12-1/24 24/12-1/12 8/12-3/12 8/36-1/12 8/12-1/36 40/12-1/12 8/12-5/12 8/60-1/12 8/12-1/60 56/12-1/12 8/12-7/12 8/84-1/12 8/12-1/84
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