Solutions by everydaycalculation.com
1042 - 1542 is -542.
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Related: 20/42-15/42 10/42-30/42 10/84-15/42 10/42-15/84 30/42-15/42 10/42-45/42 50/42-15/42 10/42-75/42 70/42-15/42
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