Solutions by everydaycalculation.com
1012 - 912 is 112.
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Related: 20/12-9/12 10/12-18/12 10/24-9/12 10/12-9/24 30/12-9/12 10/12-27/12 10/36-9/12 10/12-9/36 50/12-9/12 10/12-45/12 10/60-9/12 10/12-9/60 70/12-9/12 10/12-63/12 10/84-9/12 10/12-9/84
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