2019高三下·全国·专题练习
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1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91001f0ae2d39abeaf68d4fb6f2c9336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda42b959cb705df7d60d59995c30090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91001f0ae2d39abeaf68d4fb6f2c9336.png)
A.5或![]() | B.![]() ![]() | C.3或![]() | D.![]() ![]() |
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2014·甘肃兰州·一模
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解题方法
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a211a9b4f9d08a5517bf010c83b2a1.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b387b170b682d1aadc66099c43b53356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a211a9b4f9d08a5517bf010c83b2a1.png)
您最近一年使用:0次
2016-12-03更新
|
2356次组卷
|
6卷引用:宁夏平罗中学2021届高三上学期期末考试数学(文)试题
3 . 小明问同桌小红一道题:
的值是___ ?小红微笑着告诉小明:就等于
的值,你认为小红说得对吗?____ (对或不对)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0487baee386b1dde0c8803841af4127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be7e9d1ab6ddb7586ebb97dd6099c5f.png)
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2019-05-15更新
|
316次组卷
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2卷引用:【全国百强校】宁夏回族自治区银川一中2018-2019学年高一下学期期中考试数学试题
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4 . 若复数
且
,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77637fdf82d1f2e78e2a8629c677839e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d86446356faaf4c5d22653e978d5f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d914a73614c91bb5dfc28cff14971db.png)
A.![]() | B.![]() | C.![]() | D.1 |
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5 .
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5597fbfab864875fd5994745a717b95.png)
A.-1 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次