Solutions by everydaycalculation.com
1042 - 842 is 121.
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Related: 20/42-8/42 10/42-16/42 10/84-8/42 10/42-8/84 30/42-8/42 10/42-24/42 50/42-8/42 10/42-40/42 70/42-8/42 10/42-56/42
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