【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/2F8F4853C2D53A9E4EC65033A79A28E8.png title=16.png alt=16.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4E43E7DC88CA422A2D2660210F51EC76.png title=16-1.png alt=16-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/15A6CA45B775ECAE350681268E68E35E.png title=16-2.png alt=16-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7CF3CB1F444DC15592165EADAD919990.png title=16-3.png alt=16-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5A383369486E4ACF064955C4D1B65856.png title=16-4.png alt=16-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/72876694B58943BA24CC94F9577F50B0.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/F1F7E48872F58EA5FB405D8EBF4162C6.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BF5FF68DF7985EBDCDBC025E7EF633E2.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5EEF94B394508F1DF04D8E5A82A27691.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/97FFE9EE846C1C41D22F93675161CCAA.png title=2-4.png alt=2-4.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/D74D47215D9E97489367028FC7230636.png title=2.png alt=2.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D4B5877050BFD726964CBCD9B8560CC4.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C776EFDD270A3D9EE6D338C154D88851.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/4D9624CFBE3E97010ED763716F49B954.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F9E386289C41540344304C674B9D1D0B.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2322F457DED23FCBCD46709ADD9AE293.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/947639EC894E3888F2F7D6B6923BEBC2.png title=2-B.png alt=2-B.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C3EAFB2AE1E9B541A281CE2A877A019B.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A0D8461F783FCA3B9FD7A144A8D3396A.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F28110791DD399A24A8BD9D520C9A4EE.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/E2F38F8313CDE5D20E6A3293F384F84D.png title=2-4.png alt=2-4.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/B6E9803D81FF33D059A8BBD03B6CFD82.png title=2.png alt=2.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/01B505B5DDE00DEE2F8E10F4BC954702.png title=25.png alt=25.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/9732742929E37230E14492D10AEAB1A7.png title=25-1.png alt=25-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A3BE0F5424F7BC739BE62B4552586CE2.png title=25-2.png alt=25-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/769E00B0771BC86E5167FE93E81BC9EC.png title=25-3.png alt=25-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9E75D0DAD05AEA7D13F53B94C5AECC33.png title=25-4.png alt=25-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B2BE331DCA3388BECC5A75809F1D514A.png title=2.png alt=2.png/>
①
0.5
②
0
③
1
④
2
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/6F552E5E2A346C5B0009F8C8F4BD4C88.png title=13.png alt=13.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/10549A87944187D69B7BC2C3A7EC61B1.png title=13-1.png alt=13-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F8A36EE6835C30A2A2E121B0598773EE.png title=13-2.png alt=13-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/51CB4CD46CBCA11D81998FD57E0BBEA1.png title=13-3.png alt=13-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9BF8042294C2E45BFEAE388B0ADC9B2D.png title=13-4.png alt=13-4.png/>
【多选题】
由克莱姆法则<img src=https://huaweicloudobs.ahjxjy.cn/B26BBF53EF859BA342416BB9E0694E10.png title=2.png alt=2.png/>的解的说法错误的是
①
<img src=https://huaweicloudobs.ahjxjy.cn/03C84806312E4EAB9D0425D1BEBE4276.png title=1.png alt=1.png/>一定成立
②
<img src=https://huaweicloudobs.ahjxjy.cn/24DAAEFE36BAA64875D7B0761E5FB79F.png title=3.png alt=3.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/97C535FA795C52C44614695975D23D1A.png title=4.png alt=4.png/><img class=jc-formula data-tex={ x }_{ j }=\frac { { D } }{ { D }_{ j } } (j=1,2,\cdots ,n) src=https://huaweicloudobs.ahjxjy.cn/E66D41AD932819EEF5103E0478C81A79.png style=vertical-align: middle;/>
④
无论其系数行列式D是否为零，有且仅有唯一解<img class=jc-formula data-tex={ x }_{ j }={ D }_{ j } src=https://huaweicloudobs.ahjxjy.cn/F4B517A7A31CB404A46B75EAE090AC20.png style=vertical-align: middle;/>
%E6%98%AF%EF%BC%88%20%20%EF%BC%89%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@F2A5E2A4E91B189837976FD8E7791E00.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png/%3E&pn=1){kind=link}
%E6%98%AF%EF%BC%88%20%20%EF%BC%89%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@F2A5E2A4E91B189837976FD8E7791E00.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png/%3E&pn=7){kind=link}
%E6%98%AF%EF%BC%88%20%20%EF%BC%89%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@F2A5E2A4E91B189837976FD8E7791E00.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png/%3E&pn=5){kind=link}
%E6%98%AF%EF%BC%88%20%20%EF%BC%89%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@F2A5E2A4E91B189837976FD8E7791E00.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png/%3E&pn=6){kind=link}
%E6%98%AF%EF%BC%88%20%20%EF%BC%89%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@F2A5E2A4E91B189837976FD8E7791E00.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png/%3E&pn=9){kind=link}
%E6%98%AF%EF%BC%88%20%20%EF%BC%89%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@F2A5E2A4E91B189837976FD8E7791E00.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE2.png/%3E&pn=10){kind=link}