《线性代数》南开19秋期末考核
《线性代数》19秋期末考核1.[单选题]
正确答案:——D——
2.[单选题] 正确答案:——A——
3.[单选题] A.必要条件
B.充分条件
C.充分必要条件
D.充分而不必要条件
正确答案:——C——
4.[单选题]
5.[单选题] <img alt="" width="526" height="120" src="http://file.open.com.cn/ItemDB/60124/2a7e5b0f-3cec-4bcc-9454-5cd22b8d0309/20125316143553.png" />
A.<img alt="" width="51" height="21" src="http://file.open.com.cn/ItemDB/60124/2a7e5b0f-3cec-4bcc-9454-5cd22b8d0309/2012531625882.png" />
B.<img width="78" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/2a7e5b0f-3cec-4bcc-9454-5cd22b8d0309/201254163523459.png" />
C.<img alt="" width="76" height="28" src="http://file.open.com.cn/ItemDB/60124/2a7e5b0f-3cec-4bcc-9454-5cd22b8d0309/20125316238648.png" />
D.<img alt="" width="57" height="23" src="http://file.open.com.cn/ItemDB/60124/2a7e5b0f-3cec-4bcc-9454-5cd22b8d0309/20125316252992.png" />
正确答案:————
6.[单选题] <img alt="" width="418" height="89" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/201254913455.png" />
A.<img alt="" width="76" height="27" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/20125491353223.png" />
B.<img width="73" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/201254164934877.png" />
C.<img alt="" width="76" height="25" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/20125491410613.png" />
D.<img alt="" width="70" height="24" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/20125491421613.png" />
正确答案:————
7.[单选题] <img alt="" width="301" height="33" src="http://file.open.com.cn/ItemDB/60124/a703ad03-5fcb-4278-a750-9a58eadd6603/201253145156135.png" />
A.<img alt="" width="175" height="54" src="http://file.open.com.cn/ItemDB/60124/a703ad03-5fcb-4278-a750-9a58eadd6603/20125314529385.png" />
B.<img alt="" width="180" height="55" src="http://file.open.com.cn/ItemDB/60124/a703ad03-5fcb-4278-a750-9a58eadd6603/20125314522289.png" />
C.<img width="187" height="48" alt="" src="http://file.open.com.cn/ItemDB/60124/a703ad03-5fcb-4278-a750-9a58eadd6603/201254162242660.png" />
D.<img alt="" width="205" height="53" src="http://file.open.com.cn/ItemDB/60124/a703ad03-5fcb-4278-a750-9a58eadd6603/201253145249574.png" />
正确答案:————
8.[单选题] <img width="329" height="182" alt="" src="http://file.open.com.cn/ItemDB/60124/a34c59bb-64c1-440a-9e2e-8e287f2a7eb4/20125485911659.png" />
A.1
B.2
C.3
D.4
正确答案:————
9.[单选题] <img alt="" width="358" height="94" src="http://file.open.com.cn/ItemDB/60124/2721bd5a-6a1a-48df-8ad1-8b18f11dd2cf/201253162340329.png" />
A.<img alt="" width="97" height="25" src="http://file.open.com.cn/ItemDB/60124/2721bd5a-6a1a-48df-8ad1-8b18f11dd2cf/201253162351220.png" />
B.<img alt="" width="83" height="26" src="http://file.open.com.cn/ItemDB/60124/2721bd5a-6a1a-48df-8ad1-8b18f11dd2cf/20125316242267.png" />
C.<img width="154" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/2721bd5a-6a1a-48df-8ad1-8b18f11dd2cf/201254163737310.png" />
D.<img alt="" width="144" height="24" src="http://file.open.com.cn/ItemDB/60124/2721bd5a-6a1a-48df-8ad1-8b18f11dd2cf/20125316242549.png" />
正确答案:————
10.[单选题] <img alt="" width="525" height="120" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/20125484727648.png" />
A.<img alt="" width="117" height="81" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/20125484740476.png" />
B.<img width="142" height="80" alt="" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/201254164540357.png" />
C.<img alt="" width="137" height="83" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/2012548480959.png" />
D.<img alt="" width="124" height="84" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/20125484811443.png" />
正确答案:————
11.[单选题] <img width="508" height="138" alt="" src="http://file.open.com.cn/ItemDB/60124/cf3dea61-4ae4-44bc-92b5-7fa988a181f1/20125315575138.png" />
A.1
B.-5
C.5
D.0
正确答案:————
12.[单选题] <img alt="" width="416" height="113" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/2012548568794.png" />
A.<img alt="" width="62" height="24" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/20125485620106.png" />
B.<img alt="" width="55" height="22" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/20125485629683.png" />
C.<img width="127" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/201254164654842.png" />
D.<img alt="" width="57" height="23" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/20125485648385.png" />
正确答案:————
13.[单选题] <img alt="" width="295" height="32" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/20125492513376.png" />
A.<img alt="" width="124" height="24" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/20125492521766.png" />
B.<img width="69" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/201254165140849.png" />
C.<img alt="" width="261" height="22" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/20125492553546.png" />
D.<img alt="" width="390" height="26" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/2012549263561.png" />
正确答案:————
14.[单选题] <img alt="" width="429" height="70" src="http://file.open.com.cn/ItemDB/60124/fe5c68ac-077a-4b15-8867-640dd4d7f184/20125485725899.png" />
A.<img alt="" width="78" height="24" src="http://file.open.com.cn/ItemDB/60124/fe5c68ac-077a-4b15-8867-640dd4d7f184/20125485736617.png" />
B.<img width="78" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/fe5c68ac-077a-4b15-8867-640dd4d7f184/20125416477233.png" />
C.<img alt="" width="72" height="21" src="http://file.open.com.cn/ItemDB/60124/fe5c68ac-077a-4b15-8867-640dd4d7f184/20125485755741.png" />
D.<img alt="" width="71" height="25" src="http://file.open.com.cn/ItemDB/60124/fe5c68ac-077a-4b15-8867-640dd4d7f184/2012548584631.png" />
正确答案:————
15.[单选题] <img alt="" width="515" height="110" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/2012549930518.png" />
A.<img alt="" width="18" height="19" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/2012549940455.png" />
B.<img alt="" width="22" height="20" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/2012549952626.png" />
C.<img width="41" height="22" alt="" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/20125416484417.png" />
D.<img alt="" width="64" height="23" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/20125491017703.png" />
正确答案:————
16.[单选题] 排列 3421 的逆序数是（ ）
A.1
B.5
C.2
D.4
正确答案:————
17.[单选题] <img width="498" height="116" alt="" src="http://file.open.com.cn/ItemDB/60124/a9c7e3e4-0553-4b9e-882e-ec10a476e5cd/20125315585374.png" />
A.1
B.1或-2
C.5
D.-1或2
正确答案:————
18.[单选题] <img alt="" width="123" height="34" src="http://file.open.com.cn/ItemDB/60124/ca296948-1db8-4709-8595-aef4f4ee77bb/20125315642337.png" />
A.<img alt="" width="73" height="28" src="http://file.open.com.cn/ItemDB/60124/ca296948-1db8-4709-8595-aef4f4ee77bb/20125315654430.png" />
B.<img width="62" height="28" alt="" src="http://file.open.com.cn/ItemDB/60124/ca296948-1db8-4709-8595-aef4f4ee77bb/201254162453431.png" />
正确答案:————
19.[单选题] <img alt="" width="274" height="107" src="http://file.open.com.cn/ItemDB/60124/2ba75b5f-75fb-4202-86a6-ffb9cc5c051e/201253164921988.png" />
A.<img alt="" width="157" height="24" src="http://file.open.com.cn/ItemDB/60124/2ba75b5f-75fb-4202-86a6-ffb9cc5c051e/201253164934691.png" />
B.<img alt="" width="162" height="25" src="http://file.open.com.cn/ItemDB/60124/2ba75b5f-75fb-4202-86a6-ffb9cc5c051e/201253164946833.png" />
C.<img width="181" height="20" alt="" src="http://file.open.com.cn/ItemDB/60124/2ba75b5f-75fb-4202-86a6-ffb9cc5c051e/201254164045948.png" />
D.<img alt="" width="173" height="24" src="http://file.open.com.cn/ItemDB/60124/2ba75b5f-75fb-4202-86a6-ffb9cc5c051e/20125316509864.png" />
正确答案:————
20.[单选题] <img width="487" height="77" alt="" src="http://file.open.com.cn/ItemDB/60124/597fd27a-9fc2-487e-9fd7-ef4185f4bf1d/201253152841302.png" />
A.线性相关
B.线性无关
正确答案:————
21.[单选题] 行列式与其转置行列式（ ）
A.相等
B.差一符号
C.互为倒数
D.互为负倒数
正确答案:————
22.[单选题] <img alt="" width="520" height="79" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152716722.png" />
A.<img alt="" width="383" height="31" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152730644.png" />
B.<img alt="" width="383" height="28" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152747473.png" />
C.<img width="380" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/20125416282777.png" />
D.<img alt="" width="360" height="32" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152815442.png" />
正确答案:————
23.[单选题] <img alt="" width="261" height="121" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/201253145076.png" />
A.<img width="81" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/201254162227504.png" />
B.<img alt="" width="143" height="45" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/201253145052524.png" />
C.<img alt="" width="148" height="34" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/20125314515274.png" />
D.<img alt="" width="109" height="32" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/2012531451179.png" />
正确答案:————
24.[单选题] <img width="528" height="81" alt="" src="http://file.open.com.cn/ItemDB/60124/84eed82b-4322-4bc7-b280-507fa31d4a5a/20125492238322.png" />
A.-1
B.0
C.1
D.2
正确答案:————
25.[单选题] <img alt="" width="563" height="103" src="http://file.open.com.cn/ItemDB/60124/6d2c1f4e-7f9d-48c1-a279-98a5691a86d4/201253165253354.png" />
A.充分条件
B.必要条件
C.充分必要条件
D.无关条件
正确答案:————
26.[单选题] <img alt="" width="483" height="37" src="http://file.open.com.cn/ItemDB/60124/7c2e915c-2bac-4aa6-96b3-a9b0c652ca24/201253163418412.png" />
A.<img width="64" height="22" alt="" src="http://file.open.com.cn/ItemDB/60124/7c2e915c-2bac-4aa6-96b3-a9b0c652ca24/20125416393637.png" />
B.<img alt="" width="67" height="23" src="http://file.open.com.cn/ItemDB/60124/7c2e915c-2bac-4aa6-96b3-a9b0c652ca24/201253163442491.png" />
C.<img alt="" width="53" height="25" src="http://file.open.com.cn/ItemDB/60124/7c2e915c-2bac-4aa6-96b3-a9b0c652ca24/201253163453366.png" />
D.<img alt="" width="47" height="23" src="http://file.open.com.cn/ItemDB/60124/7c2e915c-2bac-4aa6-96b3-a9b0c652ca24/20125316354820.png" />
正确答案:————
27.[单选题] <img alt="" width="416" height="35" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/2012531632533.png" />
A.<img width="78" height="42" alt="" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201254163851106.png" />
B.<img alt="" width="81" height="43" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201253163330708.png" />
C.<img alt="" width="62" height="28" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201253163344192.png" />
D.<img alt="" width="54" height="27" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201253163357146.png" />
正确答案:————
28.[单选题] <img alt="" width="490" height="118" src="http://file.open.com.cn/ItemDB/60124/6d2c1f4e-7f9d-48c1-a279-98a5691a86d4/2012531655930.png" />
A.<img alt="" width="111" height="25" src="http://file.open.com.cn/ItemDB/60124/6d2c1f4e-7f9d-48c1-a279-98a5691a86d4/201253165520281.png" />
B.<img alt="" width="126" height="27" src="http://file.open.com.cn/ItemDB/60124/6d2c1f4e-7f9d-48c1-a279-98a5691a86d4/201253165531750.png" />
C.<img width="230" height="55" alt="" src="http://file.open.com.cn/ItemDB/60124/1c0b7030-c5dd-45e5-ab03-aa89a6a9d5ca/201254164135104.png" />
D.<img alt="" width="197" height="51" src="http://file.open.com.cn/ItemDB/60124/6d2c1f4e-7f9d-48c1-a279-98a5691a86d4/20125316555547.png" />
正确答案:————
29.[单选题] <img width="448" height="54" alt="" src="http://file.open.com.cn/ItemDB/60124/4f36f211-d50e-496c-bd6e-a091d822cdbe/20125485154822.png" />
A.16
B.26
C.-16
D.0
正确答案:————
30.[单选题] <img alt="" width="354" height="38" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171142671.png" />
A.<img alt="" width="205" height="27" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171157125.png" />
B.<img alt="" width="203" height="26" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171212579.png" />
C.<img alt="" width="127" height="27" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171223673.png" />
D.<img width="287" height="30" alt="" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201254164421152.png" />
正确答案:————
31.[单选题] <img alt="" width="394" height="43" src="http://file.open.com.cn/ItemDB/60124/dfa3ba7a-a802-4b78-b4a4-7313384cbb36/201253153628957.png" />
A.<img alt="" width="263" height="30" src="http://file.open.com.cn/ItemDB/60124/dfa3ba7a-a802-4b78-b4a4-7313384cbb36/201253153643536.png" />
B.<p><img width="220" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/dfa3ba7a-a802-4b78-b4a4-7313384cbb36/20125416305614.png" /></p>
C.<img alt="" width="222" height="27" src="http://file.open.com.cn/ItemDB/60124/dfa3ba7a-a802-4b78-b4a4-7313384cbb36/201253153715537.png" />
D.<img alt="" width="260" height="29" src="http://file.open.com.cn/ItemDB/60124/dfa3ba7a-a802-4b78-b4a4-7313384cbb36/201253153728803.png" />
正确答案:————
32.[单选题] <img alt="" width="345" height="33" src="http://file.open.com.cn/ItemDB/60124/a2098081-877d-41a5-80e2-5bede11a84f9/2012531559532.png" />
A.<img alt="" width="175" height="32" src="http://file.open.com.cn/ItemDB/60124/a2098081-877d-41a5-80e2-5bede11a84f9/20125315592217.png" />
B.<img alt="" width="174" height="29" src="http://file.open.com.cn/ItemDB/60124/a2098081-877d-41a5-80e2-5bede11a84f9/201253155936627.png" />
C.<img width="168" height="30" alt="" src="http://file.open.com.cn/ItemDB/60124/a2098081-877d-41a5-80e2-5bede11a84f9/201254163449963.png" />
D.<img alt="" width="164" height="28" src="http://file.open.com.cn/ItemDB/60124/a2098081-877d-41a5-80e2-5bede11a84f9/2012531604393.png" />
正确答案:————
33.[单选题] <img alt="" width="514" height="112" src="http://file.open.com.cn/ItemDB/60124/81d14aae-6099-49cb-a442-2da10cbd1f9e/20125316317149.png" />
A.<img alt="" width="68" height="26" src="http://file.open.com.cn/ItemDB/60124/81d14aae-6099-49cb-a442-2da10cbd1f9e/20125316331478.png" />
B.<img alt="" width="52" height="24" src="http://file.open.com.cn/ItemDB/60124/81d14aae-6099-49cb-a442-2da10cbd1f9e/20125316344619.png" />
C.<img width="51" height="20" alt="" src="http://file.open.com.cn/ItemDB/60124/81d14aae-6099-49cb-a442-2da10cbd1f9e/201254163538848.png" />
D.<img alt="" width="65" height="26" src="http://file.open.com.cn/ItemDB/60124/81d14aae-6099-49cb-a442-2da10cbd1f9e/201253164873.png" />
正确答案:————
34.[单选题] <img width="373" height="110" alt="" src="http://file.open.com.cn/ItemDB/60124/87dd73cc-68e8-447e-a3b0-7c50f4eca094/20125484953813.png" />
A.1
B.2
C.3
D.4
正确答案:————
35.[单选题] <img alt="" width="541" height="110" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/20125491244727.png" />
A.<img alt="" width="79" height="102" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/20125491254414.png" />
B.<img alt="" width="78" height="99" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/2012549133976.png" />
C.<img width="81" height="100" alt="" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/201254164923190.png" />
D.<img alt="" width="79" height="98" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/20125491323600.png" />
正确答案:————
36.[主观填空题] <img src="http://file.open.com.cn/ueditorupload/image/2020/03/13/6371971536495388202818721.png" title="4.png" alt="4.png">##
正确答案:————
37.[主观填空题] 设A,B,C均为n阶方阵，且AB=BC=CA=E,则A2 B2 C2=##
正确答案:————
38.[计算题] <
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