SOLUTION: how may different four digit numbers can you make using 1,2,3,4,5,6,7,8,9 if no digit appears more than once in a number
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Question 868305: how may different four digit numbers can you make using 1,2,3,4,5,6,7,8,9 if no digit appears more than once in a number Answer by Alan3354(69443) (Show Source):
