1 . 已知集合
,
,则
的子集个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8525f3c54cf11fbdd8b3208a3b9c37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8817b9550ea4ceeb77f2fa1a29b40346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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解题方法
2 . 已知集合
,
,
,若
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10b977968d4e6e9696d305a0e0cb6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08774c8a0d2a9ee51baf5d650eab097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16543f64495c3b7fb5150a97544e372d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64afdc6fcdc4cd326bb11679766c223e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.4 | C.7 | D.8 |
您最近一年使用:0次
3 . 若集合
有6个非空真子集,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a172455c09bca026beaecc1e0ab6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 若集合
含有
个元素,则称
为
元集,
的子集中含有
个元素的子集叫做
的
元子集.已知集合
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8efd2f8884ae8c029728ffee11bf3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb08c3c3a2c1752a0b4b1248da28d203.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
5 . 已知集合
,则集合
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb101562dbd29758997460a06fac2df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.4 | C.8 | D.16 |
您最近一年使用:0次
名校
6 . 若集合
,
,则
的子集的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b191144d6fa47b31cfb62ee993b8cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07436ab766ccdc78cc443ffcd772b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.1 | B.2 | C.4 | D.8 |
您最近一年使用:0次
2024-05-07更新
|
294次组卷
|
2卷引用:黑龙江省大庆市大庆中学2024届高三下学期5月期中数学试题
2024·全国·模拟预测
7 . 已知集合
,
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae63013c37e3c9bc23a6e2e1122319f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a320bb90c4528c2046361609f0abdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06cfe33e358e7b7a18842a9a2bc9d119.png)
A.1 | B.2 | C.4 | D.8 |
您最近一年使用:0次
解题方法
8 . 集合
,
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41fa69718ea9e7f11d8ece81dac8a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210d918658e66c6ead0a4651724e1f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.4 | B.8 | C.16 | D.2 |
您最近一年使用:0次
名校
解题方法
9 . 集合
,
,则
的真子集有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2bc27a7ea7cd22e2946da3c2b9f59d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04996b8de9904db97c6ddb02224797be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-04更新
|
1249次组卷
|
2卷引用:辽宁省大连育明高级中学2023-2024学年高三下学期第一次模拟考试数学试卷
名校
10 . 对于集合A,B,定义A\B=
且
,则对于集合A={
},B={
},
且
,以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5988bf315a64166f60f5e83ee63dc44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb7c317f907cd7fda5ae49b24f2d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7667c8b7c51a4dbec279efe37159c95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de17e720d2ff39869ca8ab1fa73e899e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdca3f0545c3796a22128874c78b0bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ef577bf5059fba198afb7eddb2f94c.png)
A.若在横线上填入”∩”,则C的真子集有212﹣1 个. |
B.若在横线上填入”∪”,则C中元素个数大于250. |
C.若在横线上填入”\”,则C的非空真子集有2153﹣2个. |
D.若在横线上填入”∪![]() ![]() |
您最近一年使用:0次