名校
解题方法
1 . 已知集合
满足
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f29147200b8f3d12865965e83bd6af.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2024-04-22更新
|
458次组卷
|
2卷引用:湖南省衡阳县三校联考2023-2024学年高二下学期4月月考数学试题
2 . 已知全集
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c4a974978a843b3886a7d59dc59be6.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3783513b7fb691088b0d7ec9ebcec404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c91ebd66d4fd2a54f1f23f4df8dd87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c4a974978a843b3886a7d59dc59be6.png)
您最近一年使用:0次
解题方法
3 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7afe69284637f4494d196fe1159a7d.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 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2428749e9427b95859859db8e33245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-20更新
|
484次组卷
|
3卷引用:湖南省益阳市安化县第二中学2024届高三下学期全真模拟考试(三模)数学试题
名校
5 . 已知
,
,则
是方程
的解的充要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e74371d8c9be57bd88a97c28cd56766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cb7125a7b832153bb37fb614a73e6e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-17更新
|
279次组卷
|
2卷引用:湖南省郴州市嘉禾县第一中学等多校联考2023-2024学年高一下学期3月月考数学试题
6 . 若
,
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d87c2fd444352ae93b1252ea486228f.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
解题方法
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e260a041c1c99f268149676db877b616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21750ccf79fafe8e441b1ad9c7737d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 若数列
在某项之后的所有项均为一常数,则称
是“最终常数列”.已知对任意
,函数
和数列
满足
.
(1)当
时,证明:
是“最终常数列”;
(2)设数列
满足
,对任意正整数
.若方程
无实根,证明:
不是“最终常数列”的充要条件是:对任意正整数
,
;
(3)若
不是“最终常数列”,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc6de641322c6aeb24e0bbd875e65b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3980f4d5c5ec0f551d7a3c3c0b5ffdc7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b26218ecae19cc13017d561c01d69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36737370e7f4231ebdd27c957f47f45b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689fbacfbe6c1bd0953521bbf3638b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8f2cc86844dc647bfb33344781e75a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66c77ea288be5bfb4445a76a2429aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
您最近一年使用:0次
名校
9 . 已知集合
,
,则
的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e956ddf873e0bdb78f2ab69cdf802fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07be5e293e6e6f397daf37c9d52d8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.0 | C.1 | D.2 |
您最近一年使用:0次
名校
10 . 若非空集合G关于运算•满足:(1)对任意的a,
,都有
,(2)对任意的a,b,
,都有
,(3)存在
,对
,都有
,则称G关于运算•构成“幺半群”.现给出下列集合和运算:
① G为正自然数集,•为整数的加法.
② G为奇数集,•为整数的乘法.
③ G为素数集,•为整数的乘法.
④ G为平面向量集,•为平面向量的数量积.
⑤ G为所有二次三项式的集合,•为多项式加法.
⑥ G为纯虚数集,•为复数的乘法.
其中G关于运算•构成“幺半群"的是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5463eaf01a62bc6a772301d9e2ad19c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f45d933b1fe6d165baca14522a272f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459aa90a6c76081e2150c67d8ac00fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4239984d786b042ba168b633c4a5184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e6faeeed98a19d7012c921ca71a046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf00e8864c86c3ce8118ea76bf69773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c72c5fe5788d8f2398f6bd1453d0c2d.png)
① G为正自然数集,•为整数的加法.
② G为奇数集,•为整数的乘法.
③ G为素数集,•为整数的乘法.
④ G为平面向量集,•为平面向量的数量积.
⑤ G为所有二次三项式的集合,•为多项式加法.
⑥ G为纯虚数集,•为复数的乘法.
其中G关于运算•构成“幺半群"的是
您最近一年使用:0次