Solutions by everydaycalculation.com
842 - 842 is 01.
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Related: 16/42-8/42 8/42-16/42 8/84-8/42 8/42-8/84 24/42-8/42 8/42-24/42 40/42-8/42 8/42-40/42 56/42-8/42 8/42-56/42
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