名校
1 . “
或
”是“
”的必要不充分条件,则实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285fb27983def7084e976e4e8a357820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f7ef70e2cc6778ce79f180100e47d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b051e1329de07b78b173b7980ea8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-01-25更新
|
465次组卷
|
2卷引用:四川省泸州市合江中学2018届高三期末考试理科数学试题
2 . 已知命题
的图象不经过第二象限,命题
:方程
表示焦点在
轴上的椭圆.
(1)试判断
是
的什么条件;
(2)若
为假命题,
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6840b677c749443a19a6cf6fc6c0255a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ae8d57890cea61cad7bbdef9860e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-04更新
|
291次组卷
|
2卷引用:2015-2016学年四川省南充市高二上学期期末理科数学试卷
2017高二·四川·期末
3 . 已知
则使得
成立的一个必要不充分条件为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464a6aa580edef92f3f3df056e969a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 若集合
,集合
,则
是
的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e092d312c29f61e4bdc544593c18bbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73334d3b359d482cf1bd90f00850077f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ded9fb125cc78010e6ea6361b1f17b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2decf3988929a8cf628f665069e843.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 |
您最近一年使用:0次
名校
5 . 设命题
:实数
满足
(其中
);命题
:实数
满足
.
(1)若命题
中
,且
为真,求实数
的取值范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324ec1a5212fba5098e003fdd7e661ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212da8533a7e584c55d756f589e62b02.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.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/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-08-18更新
|
193次组卷
|
4卷引用:四川省南充高级中学2016-2017学年高二下学期期末考试数学(文)试题
四川省南充高级中学2016-2017学年高二下学期期末考试数学(文)试题江西省赣州市2016-2017学年高二下学期期末考试数学(文)试题【全国校级联考】山西省怀仁县第一中学、应县第一中学校2017-2018学年高二下学期期末考试数学(文)试题(已下线)【南昌新东方】江西省南昌市新建二中2020-2021学年高三上学期10月第一次月考数学(理)试题
6 . “直线
垂直于平面
内两直线
,
”是“直线
平面
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df740160690029ac1e730c85f20347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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 |
您最近一年使用:0次
2016-12-03更新
|
725次组卷
|
2卷引用:2014-2015学年四川省达州市高二下学期期末考试文科数学试卷