答案解析

查看更多优质解析解答一举报可以组成5×4×3=60个三位数.

即234,

235,

236,

243,

245,

246,

253,

254,

256,

263,

264,

265,

324,

325,

326,

342,

345,

346,

352,

354,

356,

362,

364,

365,

423,

425,

426,

432,

435,

436,

452,

453,

456,

462,

463,

465,

523,

524,

526,

532,

534,

536,

542,

543,

546,

562,

563,

564,

623,

624,

625,

632,

634,

635,

642,

643,

645,

652,

653,

654,

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