1 . 如图所示的花盆为正四棱台,上口宽
,下口宽
,棱长
,则该花盆的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a9eed64d225267a58cd001db67e2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976260cbf5e30856d4fd37a4b0a671a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6533a2207c18662d05c4a5996042789e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 设
,则复数z在复平面内对应的点所在的象限为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71731ec437a689aa48ae17e678153e21.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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2023-04-13更新
|
381次组卷
|
3卷引用:贵州省黔西南州兴义市义龙蓝天学校2023届高三一模数学(理)试题
3 . 已知向量
,
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e310702748855c3edccd151aae0143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d053e8348d8ef25177b2a6ddd521b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713c524211e372bff68bb31e9737bd2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次