名校
1 . 已知
,
是虚数单位,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80caeccfca4f0c358bd4e67d444c5170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1643ba627e1a4c770081b782cc415e1.png)
A.﹣1+2i | B.1+2i | C.1﹣2i | D.1+i |
您最近一年使用:0次
2016-12-03更新
|
465次组卷
|
2卷引用:2014-2015学年重庆一中高二下期末文科数学试卷
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539bc63069ed2182f07e4892e69aee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539bc63069ed2182f07e4892e69aee9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知复数z=1+2i(i是虚数单位),则|z|= _________ .
您最近一年使用:0次
2016-12-03更新
|
2301次组卷
|
8卷引用:2013年普通高等学校招生全国统一考试文科数学(重庆卷)