【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/0254C4E31D18D431D8ACA48E5B0517E0.png title=1-C.png alt=1-C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/623B85F8EFE6D57198E3A9E60C1AC8B1.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/303561E02DEFEFF18CF55BAAFDF6E14D.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/BDED3CDBC5DBB284AD0E0E4F3B5516D8.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/60349C3540E33417E67205BE97815706.png title=1-4.png alt=1-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/275A9B16822E3D0C5BE4D67EA5001527.png title=24.png alt=24.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/EF45B914C75DAA40A90DDC56C713AC31.png title=24-1.png alt=24-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/3BC28D92A08F23CCB15FDBAAFE78F934.png title=24-2.png alt=24-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B1EAAF9360B9A148202DC441F3CDD716.png title=24-3.png alt=24-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9DD813F60A5AEEB6DBF34352BBC42D65.png title=24-4.png alt=24-4.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/FF5CDD4AC5BC8A61F9A52DFA68D06651.png title=11.png alt=11.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/05F1E336D4DB1D8D74DE53F521940B0C.png title=6.png alt=6.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1EE9E836B7A4EC23DA3213A20979B67A.png title=6-1.png alt=6-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A18AEB55D7B2E139EA54F72F0E2996C0.png title=6-2.png alt=6-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A25EC92ACC9E5BBD1359C04717718823.png title=6-3.png alt=6-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A2A8F239096DC2B1B464A725092429AE.png title=6-4.png alt=6-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9373A277734A032AC09E49E79AD3EC0B.png title=9.png alt=9.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B474E67BBB782989EBBBB94B5887BC9E.png title=9-1.png alt=9-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/35B68BDA977B66D3A2BFC650F4A1B434.png title=9-2.png alt=9-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/743EB7B15611CCC56FEF4CE5885CC943.png title=9-3.png alt=9-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/686DA58C011AE2A67D2E9147F3955E92.png title=9-4.png alt=9-4.png/>
【简答题】
用消元法解线性方程组<img src="https://huaweicloudobs.ahjxjy.cn/2C3186F0F953E430948505F83A598894.png" title="1.png" alt="1.png"/><img src="https://huaweicloudobs.ahjxjy.cn/7431B7E8919E06BBA67328C631475CE4.png" title="x1.png" alt="x1.png"/>[填空],<img src="https://huaweicloudobs.ahjxjy.cn/9EC7EF50C7C734EA70834C00143C7E66.png" title="x2.png" alt="x2.png"/>[填空],<img src="https://huaweicloudobs.ahjxjy.cn/8FEE7AAB6ED3CB1B2BAC443126B1F165.png" title="x3.png" alt="x3.png"/>[填空],<img src="https://huaweicloudobs.ahjxjy.cn/DEC571DD29E87285D6AD9D2D3CCFACD5.png" title="x4.png" alt="x4.png"/>[填空].
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/0BA95E18694ADFC99257325F5434505A.png title=9-C.png alt=9-C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1A064D40399D112D3F00C4F512FC8C7C.png title=9-1.png alt=9-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2A6DFAED2196100B350E6222CCC7E3AC.png title=9-2.png alt=9-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/45CF46390ABB4FC16136A83E13DBB3FE.png title=9-3.png alt=9-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6C71D14A10E2E04142CC81CFC5DEDABD.png title=9-4.png alt=9-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/46A7180AE83E9D0B2C9B9CD285FAEC67.png title=4-C.png alt=4-C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D05D394833C5FD3F4C10A4E553DF36E1.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/838D2B12CE583CF2339B543E64DBE9DF.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/747DA24F2F13C5AD1AE3E6A0E520DBD4.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B0302478DCD90D709D46AE65A086CD33.png title=4-4.png alt=4-4.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/2B4A77C8B9C0BB18180CE62E9F1D0AC6.png style= title=8.png/><img src=https://huaweicloudobs.ahjxjy.cn/05AB0F7F394D0CD4D82B5B2086DE0927.png title=de.png/><img src=https://huaweicloudobs.ahjxjy.cn/2E169DFBC5EE7A737D73D94ED679755F.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/0E5EF962291E521FE1A6CA71074CE537.png title=10.png alt=10.png/><img src=https://huaweicloudobs.ahjxjy.cn/4E4ABAA81640ED38AA28EB32F73E0358.png title=15.png alt=15.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B55E59613682A27D9F8C0AA98F280253.png title=2-D.png alt=2-D.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C7FAA435B11BC98B4C343C51D903E378.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/23BEC8572FD7F82C9CF5ED891DAD6925.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CAF8EB52E0336CACA321A9FF79A05795.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/878FFB756AAEE10C9A9D406E6C72CDBC.png title=2-4.png alt=2-4.png/>
