1 . 设集合
,
,则满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828926e570a414e9dbc04a7bbcb65283.png)
的
的值共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392acc06e593c00e02d94a2183a661f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fec738a30002f4e40f7e3b32ae131b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828926e570a414e9dbc04a7bbcb65283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.5 | B.4 | C.3 | D.2 |
您最近一年使用:0次
解题方法
2 . 集合
,
,若
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5c905c79545e75d187c3c358271cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1703dfeaddd9ea09a848b2962abef94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次