Solutions by everydaycalculation.com
212 - 316 is -148.
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Related: 4/12-3/16 2/12-6/16 2/24-3/16 2/12-3/32 6/12-3/16 2/12-9/16 2/36-3/16 2/12-3/48 10/12-3/16 2/12-15/16 2/60-3/16 2/12-3/80 14/12-3/16 2/12-21/16 2/84-3/16
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