Solutions by everydaycalculation.com
26 - 912 is -512.
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Related: 4/6-9/12 2/6-18/12 2/12-9/12 2/6-9/24 2/6-27/12 2/18-9/12 2/6-9/36 10/6-9/12 2/6-45/12 2/30-9/12 2/6-9/60 14/6-9/12 2/6-63/12 2/42-9/12 2/6-9/84
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