名校
解题方法
1 . 设数列
的前
项和为
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b1aea9223d56e68424e932f871e2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec301d4eee0451ccc9235a0c543776b1.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-01-17更新
|
814次组卷
|
4卷引用:江西省宜春市宜丰县宜丰中学2024届高三上学期1月月考数学试题
2024·全国·模拟预测
名校
解题方法
2 . 已知全集
,集合
,则图中阴影部分表示的集合为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/dcbff383-fc40-43f9-9726-670612622f11.png?resizew=186)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0defe3b3bb754e336f49bef811b859ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/dcbff383-fc40-43f9-9726-670612622f11.png?resizew=186)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 设集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b87258697c7c5b054dab8bf3a1d8aa.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024高三·全国·专题练习
名校
解题方法
4 . 已知定义在
上函数
同时满足如下三个条件:
①对任意
都有
;
②当
时,
;
③
.
(1)计算
的值;
(2)证明
在
上为减函数;
(3)有集合
,
问:是否存在点
使
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ba4c1c25324a8875b09d0c855a82ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49f899086e636caaed2075a2c7b924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ed85d47b4f488a9b5e211938cc5424.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f82d7c68f10d3b6f065304ec67f160.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)有集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f334bd3fdd58a808bba8cacf336c63cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c4bac36d0869c1353b7d97f4f7d022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116b713cd1ae96520d05c54882463f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90526e1357becfdcd1b87caeff7ee032.png)
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名校
5 . 已知关于
的方程
(其中
均为实数)有两个不等实根
.
(1)若
,求
的取值范围;
(2)若
为两个整数根,
为整数,且
,求
;
(3)若
满足
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df5aaad0ade6e7bba2d52a5b5a71674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c8528870cc9de86a2d4adde30911b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f880b35942891d2512247d53030c742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916f4fc53db7d0603fde540c3af51d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef35f2b847ac68b9f339e4d5946881b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
6 . 已知函数
,
.
(1)若
,求使
的x的取值范围;
(2)当
时,设
,求
在区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9e5c2f3e134ee0bb885fdc71c99c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e357538192b0086515ca082025dad9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189b2da6c420bf8f8900002d14f65f72.png)
您最近一年使用:0次
2024-05-12更新
|
250次组卷
|
2卷引用:江西省宜春市丰城市第九中学2023-2024学年高二下学期第二次段考数学试题
解题方法
7 . 求函数
的定义域______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828ac4762433303befa4a20f601f4d59.png)
您最近一年使用:0次
2024-01-29更新
|
764次组卷
|
3卷引用:江西省部分学校2023-2024学年高一上学期月考数学试题
名校
解题方法
8 . 设集合
,
,则
,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a6a9c23abe51588bafed01c973cbe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3acc772ee28146140a5ebe794a4f1ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7f14bf7f60fe19b509223284455f05.png)
您最近一年使用:0次
2024-01-20更新
|
1518次组卷
|
6卷引用:黄金卷03(2024新题型)
(已下线)黄金卷03(2024新题型)(已下线)【一题多变】集合含参 关系运算(已下线)考点2 集合运算 --2024届高考数学考点总动员【练】2024届河北省承德市部分高中二模数学试题河北省衡水市部分学校2024届高三下学期二模考试数学试题上海市新中高级中学2024届高三上学期10月阶段检测数学试题
名校
9 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1284a397258448dcb87e420f10e28e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8677d7c30830d609f814c68903bfbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-17更新
|
499次组卷
|
2卷引用:江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)
名校
10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7834e30a2fd63b7cc50c7e2759b0f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be55abd076b0dd89eb5e21b3127e22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbead65d433d45f86bebf979d96b738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-15更新
|
383次组卷
|
2卷引用:江西省抚州市临川第一中学2023-2024学年高一下学期3月考试数学试题