1 . 已知i为虚数单位,复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca6c17df8a51bb6492426fddcfb622.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0180da76975d8a19f26649b13ba4529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca6c17df8a51bb6492426fddcfb622.png)
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2 . 设复数
满足
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0037c04b3520edbffbce9005e7a7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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2023-06-02更新
|
827次组卷
|
3卷引用:北京大兴精华学校2023届高三高考适应性测试数学试题
3 . 已知复数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162df541284d68b1b6a384ca2d03c993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
您最近一年使用:0次
2023-06-18更新
|
180次组卷
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4卷引用:北京市大兴区2023届高三上学期期末检测数学试题
4 . 如图是一种科赫曲线,其形态似雪花,又称雪花曲线.其做法是:从一个正三角形(记为
)开始,把每条边分成三等份,然后以各边的中间线段为底边,分别向外作正三角形,再把此中间线段去掉,得到图形
;把
的每条边三等份,以各边的中间线段为底边,向外作正三角形后,再把此中间线去掉,得到图形
;依此下去,得到图形序列
,
,
,…,
,….设
的边长为1,图形
的周长为
.给出以下四个结论:①
;②
;③
既有对称轴,也有对称中心;④若
,则n的值最接近于16.以上正确结论的序号是______ .(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635ccd929471d564cc9d2d96266b34d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635ccd929471d564cc9d2d96266b34d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635ccd929471d564cc9d2d96266b34d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd193410f03dbd808084e87a2693b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f4866a0ec23daa588e2269b06a57f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2acc67a6db40b13ce4cfcc892a6aa71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f218b818198399c4afb21a63c6ab5b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57edbe92d8ee1225893925e56a076ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8288e1d872c6b5872b84a32469ff9e76.png)
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990608080601088/2993214108377088/STEM/983e0b66-c3b7-48ed-9fba-4e01b691e963.png?resizew=205)
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2022-06-03更新
|
158次组卷
|
2卷引用:北京市大兴区兴华中学2022届高三三模数学试题
名校
解题方法
5 . 已知复数
满足等式:
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b567bb590d0772aade8323fa4ae6442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
您最近一年使用:0次
2021-05-29更新
|
642次组卷
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4卷引用:北京市精华学校2021届高三三模数学试题
6 . 已知复数z满足
,则|z|=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018edafb2e633093164f2d1caf55b662.png)
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2019-04-17更新
|
286次组卷
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2卷引用:【区级联考】北京市大兴区2019届高三4月一模数学(理)试题
7 . 复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e68e85399ae8edc780341440a30739.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e68e85399ae8edc780341440a30739.png)
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