1 . 若不等式
解集为
,不等式
解集为
,不等式
解集为
,那么
值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 设集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f016dbf216fcc596ac3a981966d35e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a979f2fde6827c10d419997cd07842c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f016dbf216fcc596ac3a981966d35e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c8c5e639652d3f0ddd65e9b53dab67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3bd4bd5534ad6c575c6ae9eedca45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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13-14高二上·辽宁大连·期中
4 .
设命题
:实数
满足
,其中
;命题
:实数
满足
且
是
的必要不充分条件,求实数
的取值范围.
设命题
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/0e6271be76d845debd41edd516a2de31.png)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/db6c31383ee6499b82263b9b82e7dd86.png)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/f482ab0e6b90400e81eaefc5cc3104cb.png)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/46ab7fae30c04b3b8e1c99f062815695.png)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/64144634009b4337ae4607ccfb7b3a83.png)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/db6c31383ee6499b82263b9b82e7dd86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820c71fb6c27e53635be09b3816041cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037d29525d118dc083dc3e5e808ca2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571149973143552/1571149978746880/STEM/4a1e2a251f0143b0be656a3da6f56ed9.png)
您最近一年使用:0次