10-11高三·浙江杭州·阶段练习
1 . 已知条件
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b218e00f471dafb0a662add09a67b8.png)
条件
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec4f36b4c2d55f7f153bae203d69182.png)
(Ⅰ)若
,求实数
的值;
(Ⅱ)若
是
的充分条件,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2012/3/3/1570785521270784/1570785526824960/STEM/a087f4822fa448c7b759532772bc8146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b218e00f471dafb0a662add09a67b8.png)
条件
![](https://img.xkw.com/dksih/QBM/2012/3/3/1570785521270784/1570785526824960/STEM/b36c5d2644b64e70b83201303879be4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec4f36b4c2d55f7f153bae203d69182.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fab7078e783db7d64ff9611cfe15fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2012/3/3/1570785521270784/1570785526824960/STEM/a087f4822fa448c7b759532772bc8146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2 . 已知条件
,条件
.若
是
的充分不必要条件,则
的取值范围是
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572149789515776/1572149795078144/STEM/8692c828b0664d95ba4b0205573cfa31.png)
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572149789515776/1572149795078144/STEM/961efcacbca84b7d9c890d88f80973b5.png)
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572149789515776/1572149795078144/STEM/3fe08874df584ffc94509c1892dfb713.png)
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572149789515776/1572149795078144/STEM/94eb505a540247b28caad384c85a5bc3.png)
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572149789515776/1572149795078144/STEM/4fa7c2ce29884e07807d81451ac2eb11.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次