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张3
发布于 2026-05-08
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这个有120种,以1、2、3、4、5分别开头的每个都对应24组数,分别如下:12345,12354,12435,12453,12534,12543;13245,13254,13425,13452,13524,13542;14235,14253,14325,14352,14523,14532;15234,15243,15324,15342,15423,15432;21345,21354,21435,21453,21534,21543;23145,23154,...