名校
1 . 已知命题
:
,命题
:
.
(1)当
时,若命题
为真命题,求实数
的取值范围.
(2)若
是
的充分条件,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9921de84514e9b4f77068eb1911ca0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad6adceba6bb9bb4847d51cbf493e0f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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|
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2卷引用:四川省绵阳市江油中学2020-2021学年高二下学期期中数学(文)试题
名校
2 . 已知命题
是“若
,则
”的否命题,命题
为“
,
”,则下列命题中,假命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb8898d840443e228d34d94056f081e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4120436d6ff0c58109473edc068257c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db248e2d80105c0dd16bb039a1e24d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10卷引用:江西省赣州市教育发展联盟2021-2022学年高二上学期第7次联考高二数学(文)试题
江西省赣州市教育发展联盟2021-2022学年高二上学期第7次联考高二数学(文)试题河南省大联考2021-2022学年高三上学期阶段性测试(一)文科数学试题河南省大联考2021-2022学年高三上学期阶段性测试(一)理科数学试题河南省十所名校2021-2022学年高三上学期文科数学阶段性测试(一)广西玉林市2022届高三11月第一次统考数学(文)试题广西玉林市2022届高三上学期教学质量监测数学(文)试题河南省信阳市淮滨县第二高级中学2021-2022学年高三上学期第一次月考理科数学试题陕西省延安市富县高级中学2021-2022学年高二上学期期末理科数学试题江西省新余一中2022届毕业年级(补习班)第二次模拟考试数学(文)试题河南省温县第一高级中学2021-2022学年高三上学期1月月考文科数学试题
名校
3 . 设命题
,命题
,那么
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d76eea257265ea1e44c6b7f09915bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dedb824cb51370dc0fab5f950dbd9ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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4 . 设
是4个有理数,使得
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abee18de56e82a0f32725253b8e95bb0.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec99c57bf7997bd93e1ed8f48d5af9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674ec65faa1680e0d3f5d89d98d26a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abee18de56e82a0f32725253b8e95bb0.png)
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5 . 设命题
对任意
,不等式
恒成立;命题
存在
,使得不等式
成立.
(1)若非
为假命题,求实数
的取值范围;
(2)若命题
或
为真命题,命题
且
为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325bb368de012fac49eaa50932c289f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ecfade60615befc6e6dcc0f860ad20.png)
(1)若非
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188791535098a44dcdea38cd18d79ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06dfc44abbe9d4e64f8b8853761b353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
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7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244eb0ffef4d3fac0e0cac2f509c42b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830e3690b3d736c9c4c761bbaf0841f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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21-22高二上·福建厦门·开学考试
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解题方法
8 . 集合
,
,其中
,则满足条件
的事件的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d0637f21a2cefd9be62710fa78f1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded4b8a053495b06a8ea4e221070fcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98b7f01c9e2edddc3b5142763e0d144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65a167c8e6032c9b356bea2747d7a6a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 设集合
,
,则A∩B=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca0c42d60992fe2bcd69cc9f48af2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3d28af98838d8f22dfe90ad612b35d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知全集
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a798ad46d4608131af908c043ab12e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40707c945b18a6e147a0600bc172e99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58909cdbf1b7308703f5b73dafe14b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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