Solutions by everydaycalculation.com
828 - 2528 is -1728.
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Related: 16/28-25/28 8/28-50/28 8/56-25/28 8/28-25/56 24/28-25/28 8/28-75/28 8/84-25/28 8/28-25/84 40/28-25/28 56/28-25/28
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