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Gaokao Math Practice Question

6. (5 分)安排 3 名志愿者完成 4 项工作, 每人至少完成 1 项, 每项工作由 1 人完成, 则不同的安排方式共有( $)$

  1. A.12 种
  2. B.18 种
  3. C.24 种
  4. D.36 种

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