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【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/1213AC572DF9551A1BFE9BEF19283835.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/5E52652CB548E54907460BDCD8156ECF.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/0ED6679C5BC002416A307286CFBF4A72.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/EBFC101E46F3FD0BD693A040DE9E52D0.png title=2-3.png alt=2-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/F5C655914C0317645A080F21A7D754AF.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E10904D8000BEA788E2D42A396596735.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/02D4C2BE9D52A35C90DF194862D526B2.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/CE7C38610F590D2FCA41298C10D72AD5.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/CD742D25A4F3E41581EF0A49FCC669A7.png title=2-3.png alt=2-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/401EE102E6EE40B403F9134122CE487E.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/FBF5BF7DE835CAAC2E23322746CFFD36.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/7CC51D5FCE8C0CC2DF07D6CB5147DF14.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/FBE995F9E2FC28A279659CD9F4D24043.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/1C7B8D2E5DFE745EEF6248DC4E47888A.png title=2-3.png alt=2-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/6291788E35C4B96DF30393C58B66BBC7.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/996CF93E83656380E4E15B9348326297.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/35B0EE6248B08426C76977A74947A07C.png title=a.png alt=a.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/758C0D3B70A647111F7D916EBBC6B0C8.png title=b.png alt=b.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/BF178CC2AA754953DC34E93B19E66E69.png title=c.png alt=c.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/B005C7F6DB39E4EEFD1364641A6EBEE3.png title=d.png alt=d.png/>
【单选题】
<img src="20190730/1564476408892116.png" title="1564476408892116.png" alt="图片102.png"/>等于 ()

0
<img src="20190730/1564476424383415.png" title="1564476424383415.png" alt="图片103.png"/>
1
3
【单选题】
<img src="20190730/1564475140766082.png" title="1564475140766082.png" alt="图片78.png"/>根式形式( )

<img src="20190730/1564475169828406.png" title="1564475169828406.png" alt="图片79.png"/>
<img src="20190730/1564475177512856.png" title="1564475177512856.png" alt="图片80.png"/>
<img src="20190730/1564475188199139.png" title="1564475188199139.png" alt="图片82.png"/>
<img src="20190730/1564475183568179.png" title="1564475183568179.png" alt="图片81.png"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/5793948AC4645CCFDF41AFF74F2E4F8A.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/EC5040CE30F5F60A3D9F91BC4BD093F8.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/4A9B4786703E1FEDEB43312FAB28B4F9.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/743905A0694F7EA960F3DF54CD30DD97.png title=2-3.png alt=2-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/E57DC7A35FE409BC2B78685498D11E30.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/1DF15CABFFE5FEAE37F360DE1122A950.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/D990BA247EEA9EF49D1E556908C4A39F.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/11E638A4185C6278278238E34EA77604.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/182F573960804D267F45BD5B1B7947DD.png title=2-3.png alt=2-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/FF0CCF2D7AAD8BA85AC342528F6931BD.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D4B5877050BFD726964CBCD9B8560CC4.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/C776EFDD270A3D9EE6D338C154D88851.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/4D9624CFBE3E97010ED763716F49B954.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/F9E386289C41540344304C674B9D1D0B.png title=2-3.png alt=2-3.png/>
<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/97A321C54CDE390E45CABB40E0385792.png title=2.png alt=2.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/120FFEBE12173E72E2E586E9D411B33A.png title=2-1.png alt=2-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/783C74CDD717EF027F8C7B8227F4E7E8.png title=2-2.png alt=2-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/184FA4D262A2B6AEC7953A55374537C0.png title=2-3.png alt=2-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/7A2A9D21570021EB863D6D11B9B4ADAE.png title=2-4.png alt=2-4.png/>