Find the number of three-digit numbers possible if only the digits 0,1,2,3,4and5 may be used,the number must be a multiple of 5,and no digit may be used more than twice in the same number
问题描述:
Find the number of three-digit numbers possible if only the digits 0,1,2,3,4and5 may be used,the number must be a multiple of 5,and no digit may be used more than twice in the same number
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