Solutions by everydaycalculation.com
1424 - 1524 is -124.
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Related: 28/24-15/24 14/24-30/24 14/48-15/24 14/24-15/48 42/24-15/24 14/24-45/24 14/72-15/24 14/24-15/72 70/24-15/24 14/24-75/24 98/24-15/24
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