1 . 已知复数
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35aa5256411e4bfe86bab7783a9022a6.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22214f48085c06e62521bf96c27191b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab15cfa691e78c4caf7d23046df9eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35aa5256411e4bfe86bab7783a9022a6.png)
您最近一年使用:0次
20-21高二·全国·单元测试
2 .
的结果为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a669795223d60cfbe0ca54121cc291d.png)
A.5-3i | B.3+5i | C.7-8i | D.7-2i |
您最近一年使用:0次