对任意复数
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947266359.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947266391.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947297630.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947313399.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947266391.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947359269.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947375305.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947391310.png)
①
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947406948.png)
②
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947437934.png)
③
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947453878.png)
④
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947469540.png)
则真命题的个数是( )
A.![]() |
B.![]() |
C.![]() |
D.![]() |
答案 :
B
已知
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947032251.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947047431.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947063869.png)
![](https://picflow.koolearn.com/upload/papers//20140824/20140824055947094283.png)
A.-1或1 | B.1 | C.3 | D.-1 |
答案 :
D
编辑推荐:
下载Word文档
![](http://m.zuixu.com/static/img/neirong2.jpg)
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A.![]() |
B.![]() |
C.![]() |
D.![]() |
A.-1或1 | B.1 | C.3 | D.-1 |
编辑推荐:
温馨提示:因考试政策、内容不断变化与调整,长理培训网站提供的以上信息仅供参考,如有异议,请考生以权威部门公布的内容为准! (责任编辑:长理培训)
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