Solutions by everydaycalculation.com
827 - 49 is -427.
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Related: 16/27-4/9 8/27-8/9 8/54-4/9 8/27-4/18 24/27-4/9 8/27-12/9 8/81-4/9 8/27-4/27 40/27-4/9 8/27-20/9 8/27-4/45 56/27-4/9 8/27-28/9 8/27-4/63
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