【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B3FDC03B0CB592AC480488279DB81162.png title=t.png alt=t.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E5D6B10FE05746275C6AAAE34B04B787.png title=a.png alt=a.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CAD250B127BEAA5820DAA19EBEFAD828.png title=b.png alt=b.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/63A9D0E919E3F2123A02C7C6FD63B95C.png title=c.png alt=c.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/222E1226E57548F375C2529EBB97D1D9.png title=d.png alt=d.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/0D37611E23B33453B27F824BEBF279B3.png title=QQ图片20160107163814.png alt=QQ图片20160107163814.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4165A5EDBB0BD90C5BF8D62FBA82B732.png title=QQ图片20160107163830.png alt=QQ图片20160107163830.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9D47DE953F4B2F56ED4B6288D2BBBD22.png title=QQ图片20160107163843.png alt=QQ图片20160107163843.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A045D4716BFE356631F7E8482F2BD1B8.png title=QQ图片20160107163855.png alt=QQ图片20160107163855.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/FFD535C654897E5FF06335ECC41518D8.png title=QQ图片20160107163906.png alt=QQ图片20160107163906.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/7A47AA31478E287C11319C02A026F8BF.png title=2.png alt=2.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/74CF4CA980068298FC2B87971DC4633F.png title=QQ图片20160107165102.png alt=QQ图片20160107165102.png/>
【单选题】
若齐次线性方程组<img src=https://huaweicloudobs.ahjxjy.cn/103D8D0F4CAFD88F52C1193CD6A0FB32.png title=QQ图片20160107170503.png alt=QQ图片20160107170503.png/>有非零解,则k必须满足( )。
①
<img src=https://huaweicloudobs.ahjxjy.cn/42898F1948811178BE74688AC064F148.png title=QQ图片20160107170601.png alt=QQ图片20160107170601.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5BA6B76DB33D9FE76D8CC3162F6984F4.png title=QQ图片20160107170613.png alt=QQ图片20160107170613.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/4EBC84E7CF7FC397603943F19D58351D.png title=QQ图片20160107170641.png alt=QQ图片20160107170641.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/397506B971DE89865CFC487E220C784F.png title=QQ图片20160107170654.png alt=QQ图片20160107170654.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/35ACAB5324AF0F6D086373BE5B687058.png style=vertical-align: middle;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1F8E1E51F90D4C6EEE80974D8EDA4B4B.png style=vertical-align: middle;/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/471490FD10723AD37B3B940988BF3EBC.png style=vertical-align: middle;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/56C3CBD3BE938D2F7633D6CA7383AE68.png style=vertical-align: middle;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/FDE103E137CE018FACEFC342F9C6CCA4.png style=vertical-align: middle;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/C504F24E6C3AB59E4C1D0D59A1E05267.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/45EF0AE5A2913D7714CB6A51EC4861A1.png title=a.png alt=a.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/599558F267AFD4485BD22281132CB7F4.png title=b.png alt=b.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/2D8640E97F92CC760C0C4BC33E94C06B.png title=c.png alt=c.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0C4C63635BFCD03175ED7B94E805B72F.png title=d.png alt=d.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/DF94E7F946A5A4C7F04540944602E0A2.png title=QQ图片20160105202153.png alt=QQ图片20160105202153.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A1407A2C121CC0DD9E57D9F3C6CA601E.png title=QQ图片20160105202213.png alt=QQ图片20160105202213.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/09C25759942B889E2A4ADAE4A44018A8.png title=QQ图片20160105202228.png alt=QQ图片20160105202228.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B4977503A3AF735C4BF8CD7B29FDD350.png title=1.png alt=1.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/74A502EEFD2F91321DDA59BAFD6F98B6.png title=QQ图片20160105201806.png alt=QQ图片20160105201806.png/>