3
第2空:

41、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d34b4ae7649e964b7605f876a775e5df.png" ＼* MERGEFORMATINET
(1.0)

40、下面是行最简阶梯型矩阵的是( )
(1.0)

39、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/9ecd647a4040ae072d35b0075d98c9d8.png" ＼* MERGEFORMATINET
(1.0)

38、设A是 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/111984" ＼* MERGEFORMATINET 矩阵,齐次线性方程组 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/181683" ＼* MERGEFORMATINET 仅有零解的充要条件是 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/53238" ＼* MERGEFORMATINET
(1.0)

37、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/db5706add0f69f70ea1d4275830973b0.png" ＼* MERGEFORMATINET
(1.0)

36、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/0834f7382644e447e6af07a60bfc4475.png" ＼* MERGEFORMATINET
(1.0)

35、下面不是阶梯型矩阵的是( )
(1.0)

34、设A是 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/111984" ＼* MERGEFORMATINET 矩阵,如果 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/312248" ＼* MERGEFORMATINET ,则( )
(1.0)

33、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/844c729f4d5375eb545d734f5bd2c841.png" ＼* MERGEFORMATINET
(1.0)

32、下面向量组线性相关的是( )
(1.0)