Solutions by everydaycalculation.com
242 - 1042 is -421.
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Related: 4/42-10/42 2/42-20/42 2/84-10/42 2/42-10/84 6/42-10/42 2/42-30/42 10/42-10/42 2/42-50/42 14/42-10/42 2/42-70/42
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