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*2. 下列命题错误的是( )

多选题
2022-04-01 19:53
A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152585489933484e0e82db3e5466393b18bac9a9fa0c7image27.png">维列向量组<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15258548994279e88757ee01541bc982b3e1a328be4d9image55.png">可以线性无关
B、矩阵的初等变换可能改变矩阵的秩
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1525854899539b97e82919c8f493ab657f5e3ff37cd74image27.png">维列向量组<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152585489966843b12b48fab94520b04c2bd56a38730cimage56.png">必线性相关
D、若方阵<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152585489976740add7b20e104442b8d8879a821f5008image57.png">,则<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15258548998686c98dfcc7e5b42b09ca229038865c93bimage58.png">可逆。
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ABD
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标签： 东北林业大学 土木工程 专升本 线性代数 平时作业1
感兴趣题目
设t=2，b=3，c=4，d=5，则下面语句输出的是（ ）。 Print3>2*b Or a=c And bc Or c>d
翻译：With Average or With Particular Average（WA or WPA）（）
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逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。
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