Solutions by everydaycalculation.com
1028 - 1528 is -528.
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Related: 20/28-15/28 10/28-30/28 10/56-15/28 10/28-15/56 30/28-15/28 10/28-45/28 10/84-15/28 10/28-15/84 50/28-15/28 10/28-75/28 70/28-15/28
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