Solutions by everydaycalculation.com
1042 - 1442 is -221.
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Related: 20/42-14/42 10/42-28/42 10/84-14/42 10/42-14/84 30/42-14/42 50/42-14/42 10/42-70/42 70/42-14/42 10/42-98/42
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