求下列各题中的常数a和k:

<img src='https://img2.soutiyun.com/ask/2020-08-07/965663990469955.png' /> <img src='https://img2.soutiyun.com/ask/2020-08-07/965664007024902.png' />

时间:2024-02-28 17:27:44

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