设
,
,则虚数
的实部为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bb2dec955869977e4094adc93ff77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc901cc3a00e2f63e042ed53155ae269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d68276198516fe0bbdfca3a9232369c.png)
更新时间:2020-12-29 16:28:31
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