Solutions by everydaycalculation.com
1542 - 142 is 13.
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Related: 30/42-1/42 15/42-2/42 15/84-1/42 15/42-1/84 45/42-1/42 15/42-3/42 75/42-1/42 15/42-5/42 15/42-7/42
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