试题与答案

由数字0,1,2,3,4,5组成无重复数字的六位数,其中个位数字小于十位数字的共

题型:选择题

题目:

由数字0,1,2,3,4,5组成无重复数字的六位数,其中个位数字小于十位数字的共有(  )

A.210个

B.300个

C.464个

D.600个

答案:

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