Solutions by everydaycalculation.com
1542 - 842 is 16.
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Related: 30/42-8/42 15/42-16/42 15/84-8/42 15/42-8/84 45/42-8/42 15/42-24/42 75/42-8/42 15/42-40/42 15/42-56/42
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