Solutions by everydaycalculation.com
421 - 114 is 542.
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Related: 8/21-1/14 4/21-2/14 4/42-1/14 4/21-1/28 12/21-1/14 4/21-3/14 4/63-1/14 4/21-1/42 20/21-1/14 4/21-5/14 4/21-1/70 28/21-1/14 4/21-7/14 4/21-1/98
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