解题方法
1 . 集合
的整数元素的个数为
,数列
的前n项和为
,满足
,
,且
,都有
成立,下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd5eb55b7d5afbbc2e9adbfbd2c6da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a48e76200db6510369b47b3dcdeba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c0e76cc052b81d0534979470a89cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076e60926a8baccb37ecba4b571ed128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9544eeec3735c96416b28aa01bb92c7.png)
A.数列![]() ![]() |
B.![]() |
C.实数![]() ![]() |
D.数列![]() |
您最近一年使用:0次
解题方法
2 . 已知实数
,
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a91839fa889293952dc53c2d5a399874.png)
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3 . 在
中,
,
,M是
的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e93d7fd1aa177f3561fd18c1698b04c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fe7c5e288ffc80b6f4e5298a8acb10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e93d7fd1aa177f3561fd18c1698b04c.png)
您最近一年使用:0次
4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03193d3001a60623fe7b86e00d8bdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce177fa9ecd4680a5cdfc0328ad02313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4515fe42fa1e8c094570da5a3ac09a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d56e6558ee77ff7a5a6f3df2d0a84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知
分别是椭圆
的左、右焦点,
是椭圆
上的一点,且
,则椭圆
的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a2c39732beed1dbcede283901b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d37df44b0cc7b9cd04099b09271d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知向量
的夹角为
,且
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3391576038a1782ce7283ddb46e6ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a35ae9ce2be6d13a97d79d79b0ca219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca845954ff04c758d90ce28f4301c615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cade8b89ad801c3248c241164c69a6.png)
A.5 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
2024-04-16更新
|
1129次组卷
|
2卷引用:辽宁省葫芦岛市绥中县第一高级中学2023-2024学年高一下学期期初考试数学试题
9 . 已知椭圆
,A,B为G的短轴端点,P为G上异于A,B的一点,则直线
,
的斜率之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda236a74f97b9258ae9cd9f0dd62865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-12更新
|
1297次组卷
|
3卷引用:辽宁省葫芦岛市2024届高三下学期第一次模拟数学试题
名校
10 . 已知
,
,
,则( )
![](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/4a7dbc702617c765a573961953cc0901.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-09更新
|
1046次组卷
|
3卷引用:辽宁省葫芦岛市2024届高三下学期第一次模拟数学试题