12345这5个数字,组成百十个数字,数字不能重复,能组合多少个,?分别是那几个?

2025-03-25 16:48:23
推荐回答(5个)
回答1:

12345,12354,12435,12453,12543,12534,15234,15243,15432,15423,15324,15342.
21345,21354,21435,21453,21543,21534,23541,23514,23451,23415,24513,24531,24135,24153,24315,24351.
31245,31254,31425,31452,31524,31542,32145,32154,

回答2:

123,456

回答3:

120

回答4:

5×4×3

回答5:

125