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单选题
A.
4
B.
2
C.
3
D.
1
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学科:
默认课程
时间:
2025-12-13 10:32:55
相关题目
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题目1
单选题
方程组 <img src="https://tihai-oss-cloud.itihey.com/img/95124d781b4f89b83130b0d4a136951e.png"> 无解,则 <img src="https://tihai-oss-cloud.itihey.com/img/928485bb22e7491864db4ce25dfab2e1.png"> =()
A. 0
B. 1
C. 3
D. -3
题目2
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/61554fa8fb005e45e46e968c6a8dddeb.png">
A. <img src="https://tihai-oss-cloud.itihey.com/img/228c3ffc4e931c32533424decc7b6b52.png">
B. <img src="https://tihai-oss-cloud.itihey.com/img/897c11c6135f2ae4c54e7a4556b818e4.png">
C. <img src="https://tihai-oss-cloud.itihey.com/img/c627f2200ce1b163c1937386e7451d08.png">
D. <img src="https://tihai-oss-cloud.itihey.com/img/d8267446f74e9119f7a0c95e431ff0e7.png">
题目3
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/68e3802035a6742bc937bdaf175d458f.png">
A. 2
B. 4
C. 3
D. 1
题目4
单选题
n元线性方程组Ax=b有唯一解的充要条件是()
A. R(A)<R(A,b)
B. R(A)=R(A,b)=n
C. R(A)=R(A,b)
D. R(A)=R(A,b)<n
题目5
单选题
非齐次线性方程组Ax=b有唯一解,则Ax=0解的情况为
A. 无法判断
B. 有唯一解
C. 无穷多解
D. 无解
题目6
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/34e2026b13dfa170e08205398ad59501.png">
A. 4
B. 2
C. 3
D. 1
题目7
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/81c7e683f1b942fc15857458ec638e29.png">
A. <img src="https://tihai-oss-cloud.itihey.com/img/54b8a5e0073c7c20bf02db5fdee4b277.png">
B. <img src="https://tihai-oss-cloud.itihey.com/img/f16dae219ad036e0097e9c6f49bc5a68.png">
C. <img src="https://tihai-oss-cloud.itihey.com/img/2b8e89396712b541be62ee9d9d1c9f01.png">
D. <img src="https://tihai-oss-cloud.itihey.com/img/5f72bb89e72f0e8ae5f7b5655a77029e.png">
题目8
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/756d1979347e1ebc8cf1b77ff549b81a.png">
A. <img src="https://tihai-oss-cloud.itihey.com/img/1e941666170ff6158c5f496f514d40cc.png">
B. <img src="https://tihai-oss-cloud.itihey.com/img/6afe5cfec37e1ec6d3bcb4b1a8390d56.png">
C. <img src="https://tihai-oss-cloud.itihey.com/img/ae2e6520b979362c0f79dee27d665c5b.png">
D. <img src="https://tihai-oss-cloud.itihey.com/img/8c34f968a597b6b338fc440df9bc62c6.png">
题目9
单选题
设<img src="https://tihai-oss-cloud.itihey.com/img/7c963f3f913cdd15a938950609dda6b5.gif">是<img src="https://tihai-oss-cloud.itihey.com/img/7c24ef94396d2f932422bcd31001d495.gif">的基础解系,则该方程组的基础解系还可以表示为( )
A. <img src="https://tihai-oss-cloud.itihey.com/img/358e3449297755f59cb6b64f0555e243.gif">
B. <img src="https://tihai-oss-cloud.itihey.com/img/be7debe526c2ad5127c3e3d7628d4feb.gif">
C. <img src="https://tihai-oss-cloud.itihey.com/img/7c963f3f913cdd15a938950609dda6b5.gif">的一个等秩向量组
D. <img src="https://tihai-oss-cloud.itihey.com/img/7c963f3f913cdd15a938950609dda6b5.gif">的一个等价向量组
题目10
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/29e688858964e19ef9f15f65b8410d8a.png">
A. 1
B. 3
C. 4
D. 2
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