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学科：线性代数
时间：2025-11-09 04:02:29
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题目1单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/9abbf356f946e48b46fd1cdfe8786138.png">A. -2B. 2C. -1D. 1
题目2单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/2b03b152d1285eedfee243551fd4edd4.png">A. <img src="http://p.ananas.chaoxing.com/star3/origin/2ad349c8a22ef782c96c5030389d9069.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/24acc65a0c626d0eb58a157bbaff746f.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/a1a5b1672d785af5f50a6764c6c4c4ed.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/c3ca8b481e39d7a61683379ac8e5e53f.png">
题目3单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/51224a88f4f077f9686a4e7e125f24da.png">A. <img src="http://p.ananas.chaoxing.com/star3/origin/859485f660406496357c7e6b04beb94e.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/a04423aecf95c30add918989541fe560.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/7fb64aa1d61242f4442e249ebb8f92cc.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/ddf9942cea4ad5cd541746142d3b2170.png">
题目4单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/5d27aef39fb637cce20b72ee2fb7059d.png">A. 3B. 1C. 2D. 4
题目5单选题
下列矩阵中,为正定矩阵的是( )A. <img src="http://p.ananas.chaoxing.com/star3/origin/71561d3aa6c8b2384d04394b5c030a90.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/2483f38cbfe096d3b93999277fc67fdf.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/da3be5a795f0f7c9ba05a0238bde7821.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/be653870f2533df9fe951a2073a9d6da.png">
题目6单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/18dd0442662fc839e3d780ab17c5e369.png">A. <img src="http://p.ananas.chaoxing.com/star3/origin/dbc0a22352dbe4a01096ade8387f5583.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/7aed8ee6213ab206b4d8fccbd409b647.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/9e0aaf700e7e1af50f862b1d8a2eecb1.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/5acaa9d00cf80eaae1d09998b25aea5f.png">
题目7单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/77edf91a51b9ef15ffb533ab308950b6.png">A. <img src="http://p.ananas.chaoxing.com/star3/origin/7d75e8ba4f7573e178437ce044c18f3c.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/60c45cd3db75ef13f0cf99927826be7e.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/5037476b6ab436ddc12327261ba6deec.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/dbefbb7d14f0a6283c2fb8ccf3acc207.png">
题目8单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/657976935778161f3a7c8ee3b787b8a6.png">A. <img src="http://p.ananas.chaoxing.com/star3/origin/a83ff3b8ba42d79481cb36c10dbe0db4.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/d3a18e26c1dfe8db9ab568111ff5a989.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/9b370aa6a32444ceb63c6a6d4d38e634.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/affea81b63277b233e66bf2654f2a174.png">
题目9单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/04fd8c1681e15d814eadab49c40d91c3.png">A. <img src="http://p.ananas.chaoxing.com/star3/origin/19b8c0bacd77e5fd9a739d799648c392.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/b43791d17fe4b071446dc9019e3bc6a3.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/a26309c7527a64641f59968894b57164.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/c23d07df1187193f4e4cf5e217704f1a.png">
题目10单选题
<img src="http://p.ananas.chaoxing.com/star3/origin/eaa317964083470b4b412b07b07ee6da.png">A. 必有一列向量是其余列向量的线性组合B. 必有两列元素对应成比例C. 任一列向量是其余列向量的线性组合D. 必有一列元素全为零
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