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