名校
解题方法
1 . 命题
在
单调增函数,命题
(
)在R上为增函数,则命题P是命题Q的________ .(在“充分不必要条件、必要不充分条件、充要条件、既不充分也不必要条件”中选择最合适的填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3ace71c2241cf5b82590ce93b87dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b727d110f266970027c05d35967371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
您最近一年使用:0次
2023-12-27更新
|
223次组卷
|
2卷引用:河北省承德市双滦区实验中学2024届高三上学期12月月考数学模拟试题(1)
名校
2 . 给出下列命题:a.
,
;b.
,
,
;c.
;d.
与2的和是非负数,可表示为“
”;e.若
,则
;f.
,
,且
,则
的最大值为
,其中正确的是___________ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c461d76fce244455f2a06b866f8ba500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267cd7062303bbe8d8a4bd8dd48fef2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63af71b9e6f71cd26e6e97541154cd8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d43b4c79f79428f2d1ae908f7039017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3af1ae042c55e9a09d4ef1fbecb49fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427e880a7289fe39b352a2ec425f7405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
您最近一年使用:0次
解题方法
3 . 如图,已知
,图中的一系列圆是圆心分别
、
的两组同心圆,每组同心圆的半径分别是1,2,3,…,
,利用这两组同心圆可以画出以
、
为焦点的椭圆,设其中经过点
、
、
的椭圆的离心率分别是
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/28/2755f7b1-aecd-47d9-add3-870819a5fbd7.png?resizew=253)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48867e261c61d24a0a1a4f7ff4627c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa272ab1c6638acd1712cfb478fe0bf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/28/2755f7b1-aecd-47d9-add3-870819a5fbd7.png?resizew=253)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-04-09更新
|
243次组卷
|
5卷引用:河北省武邑中学2019-2020学年高二下学期3月线上月考数学试题