Solutions by everydaycalculation.com
49 - 56 is -718.
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Related: 8/9-5/6 4/9-10/6 4/18-5/6 4/9-5/12 12/9-5/6 4/9-15/6 4/27-5/6 4/9-5/18 20/9-5/6 4/9-25/6 4/45-5/6 4/9-5/30 28/9-5/6 4/9-35/6 4/63-5/6 4/9-5/42
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