【判断题】【消耗次数：1】
<img src=https://huaweicloudobs.ahjxjy.cn/23CDF00EE411951B0DD790E74F6E2074.png title=1.png alt=1.png/>元素<img class=jc-formula data-tex={ a }_{ 12 } src=https://huaweicloudobs.ahjxjy.cn/DCA103E72B3C9A96D895AEE4E18C2CA5.png style=vertical-align: middle;/>的代数余子式是<img src=https://huaweicloudobs.ahjxjy.cn/1AA05255262F5C223CC0829F616C61A5.png title=2.png alt=2.png/>。
①
正确
②
错误
参考答案：
复制
纠错
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<img src=https://huaweicloudobs.ahjxjy.cn/16C7003AF9EB1735F75173AF3F994BD1.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/997C861BE25A9EB1CA0BE4E4AA1F6921.png title=2.png alt=2.png/><img src=https://huaweicloudobs.ahjxjy.cn/24E0907ED0230C3FE1B001D96DCA0640.png title=3.png alt=3.png/>
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【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4DE29EFA21CB7D8D919C14C049187750.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/E85495858960DABC7D0670895F1502DC.png title=2.png alt=2.png/>
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<img src=https://huaweicloudobs.ahjxjy.cn/5329CCB367DC78F31026DD8A280B9DB7.png title=4.png alt=4.png/>
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【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/6C09691F4A38CAA4AC0A3B5E895ED0A0.png title=1.png alt=1.png/>
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③
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【单选题】
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【单选题】
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<img src=https://huaweicloudobs.ahjxjy.cn/559AA49E4B715CA8E4564367541FB32B.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6B8992172FD0DA673284EADA0DEBA3B1.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/8307E3C9FB06876FE108BCD178A75B33.png title=2-3.png alt=2-3.png/>
④
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【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E6CDA2F51B6C4E3746040453F5A20906.png title=1.png alt=1.png/>
①
-2
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-1
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4
④
3
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/7213181E534E39712D5D13960C670F64.png title=1.png alt=1.png/>
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③
<img src=https://huaweicloudobs.ahjxjy.cn/279D9F4FDAF992EEC4E48F99133E1CE7.png title=1-3.png alt=1-3.png/>
④
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【单选题】
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②
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③
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随机题目
【单选题】
关于高分子溶液的叙述错误的是
①
高分子溶液中加入大量中性电解质，产生沉淀，称为盐析
②
高分子溶液的凝胶具有可逆性
③
高分子溶液为热力学不稳定体系
④
制备高分子溶液首先要经过溶胀过程