名校
解题方法
1 . 已知集合
,
,则
的子集个数______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3be29927acaa5c45197bf18b71f420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684ca0cdb2b9975214bb0839a0df624d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
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名校
2 . 已知集合
,集合
,若
有且仅有3个不同元素,则实数
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3200fb8ac2cef195e675ff6075cb0989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab4044f44f969456844053b74e91e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2024-05-22更新
|
524次组卷
|
2卷引用:重庆市乌江新高考协作体2024届高考模拟监测(二)数学试题
名校
3 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0354770868763533a94415b186889d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bf637c6b72f2ca27ca40466d134de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe71f2f7832a2887453fefe73335c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知
,
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377dbe01fd99cffb9ae0c90e3fbf86e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d92ddac8c5c88c99fdcb99d5c0a286d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
5 . 对于数集
,其中
,
,定义向量集
,若对任意
,存在
,使得
,则称
具有性质
.
(1)已知数集
,请写出数集
对应的向量集
,并判断
是否具有性质
(不需要证明).
(2)若
,且
具有性质
,求
的值;
(3)若
具有性质
,且
,
为常数且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7a53ccddc5210a37f12e3ab6e99df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3fe482c5e20abfc9f89c876f653ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5751a1b2fb31063f3360f4ef5b0274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c122d308af408739c2717376e932122d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c6bb4424eb1e5ab02b8ac83fd6ad10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8de3dabcc3150fd539ac97718ba10c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(1)已知数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c40ffb95d55e922a408458c19940dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351bb3f3c54604330fa5b6c2bc3a7502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bda892497cea43df67db57b4e2a07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73eecc365f7e94267552eb430f2034e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6734531288c894a5edb143104e448ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b68031c3405c23f82fb3f352e44a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa18be2cbabe89d886b99241c4dca28.png)
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解题方法
6 . 设集合
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72df19eb3b31df8034d6a83f58620ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85cb09efb8e3ad559f74015beb22b59a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知集合
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03874812c49fcc5d780a06b498f8007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b19b6204857786bbb440f06092520fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cad0a1bf9848ad76976cb8e5137e112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44a306959b6689c0dcca228b30df168.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 设集合
,
,若
, 则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552d541252509315d44dcf36638cc155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd272c554d81d4002e450e7de98b9de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1c68423ec766165dd4fa7960121c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-07更新
|
396次组卷
|
2卷引用:重庆市乌江新高考协作体2024届高考模拟监测(一)数学试题
名校
10 . 设若
,
,则
,实数
的取值集合为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecd0c5c49083e5934e7ea27bb496673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9e34dc95ad386af8327c1814bc1012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次