Solutions by everydaycalculation.com
47 - 68 is -528.
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Related: 8/7-6/8 4/7-12/8 4/14-6/8 4/7-6/16 12/7-6/8 4/7-18/8 4/21-6/8 4/7-6/24 20/7-6/8 4/7-30/8 4/35-6/8 4/7-6/40 28/7-6/8 4/7-42/8 4/49-6/8 4/7-6/56
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