有限长序列<img src='https://img2.soutiyun.com/shangxueba/ask/18120001-18123000/18120993/2016031714031255938.jpg' />=()。<img src='https://img2.soutiyun.com/shangxueba/ask/18120001-18123000/18120993/2016031714041772379.jpg' />

A.A B. B C. C D. D

时间:2024-01-28 17:09:56

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