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搜题/搜资源
【单选题】【消耗次数:1】
<img src=https://huaweicloudobs.ahjxjy.cn/215924D0ECC9CC7433ECDA24B8F93AA7.png title=28.png alt=28.png/>
①
至少有一个向量
②
没有一个向量
③
至多有一个向量
④
任何一个向量
参考答案:
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