计算下列各式的值.
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660cd9528a4c4d05dcc3458f7689fca3.png)
(3)若
,化简
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e97c8e6d650fb288811f0284bdc3ef0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660cd9528a4c4d05dcc3458f7689fca3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c88ed33f966173f11b2292481d9a046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1fcff1ad46c8e4304833a16540c0c4.png)
更新时间:2023-02-04 10:39:03
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解答题-计算题
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适中
(0.65)
名校
【推荐1】(1)求值:
;
(2)求值:
;
(3)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c666408173031c8cfdff6945a4f1bb4.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739159a5503301c14936edaadf2fc67b.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c9f990fc696c4b27d02cb9e92fe9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b24f755c35dd9edba43c168a9fa188.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知复数
在复平面内对应的点在虚轴的正半轴上,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16b475aff1a7c991f807035b15defe9.png)
(1)求
,
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d39bba8a7d3460ebc34144ca244fad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16b475aff1a7c991f807035b15defe9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3884b343d76a26b4b85b48987d7064.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次