1 . 已知
满足
.则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0b0cd2a37688c78304fbec6ae3157f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0584993cfa0801d603ffca041ecf3f.png)
A.3 | B.10 | C.20 | D.16 |
您最近一年使用:0次
2 . 若复数
的模为4,则实数
的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ca05de1b3262af960317a29ed6e59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知
.若
为实数,则最小的正整数
的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d100775f24fcb224f6c6b4eb55c15670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2008高三·山东·竞赛
4 . 若方程
(
有一实根,则它的另一个根为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b659c0b7ab8252186975e6a6cf35dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc03f2648f7323bf134a0b2c5c08f435.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知复数
,且
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df4170b8341d74deb829de56703955e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cebcfa43df5b197723cb22fc39cda76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41372b05d336a2f64bb7ff915987640d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54787ce15648b3d5f0fb4007c1569189.png)
A.![]() | B.![]() | C.3 | D.![]() |
您最近一年使用:0次