名校
1 . 设命题
:实数
满足
,
;命题
:实数
满足
.
(1)若
,
为真命题,求
的取值范围;
(2)若
是
的充分不必要条件,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/ebff6619f0334a3494d94c6cacf2f2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.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/3f2f22510a9dc1795b245e50de02f050.png)
(1)若
![](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/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-02更新
|
460次组卷
|
2卷引用:河北省易县中学2020-2021学年高二上学期12月月考数学试题
2 . 下列四种说法正确的是( )
①函数
的定义域是R,则“
”是“函数
为增函数”的充要条件
②命题 “
”的否定是“
”
③命题“若x=2,则
”的逆命题是“若
,则x=2”
④p:在△ABC中,若cos2A=cos2B,则A=B;q:y=sinx在第一象限是增函数.则
为真命题.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca4c3837ecb07ca4a348a0f860a4c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
②命题 “
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32fe5ec07c38ab54f17315590744f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7642a3131d59ed64f69a7a666db3e081.png)
③命题“若x=2,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5c2d94fe3cf596668296a6a47f6acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5c2d94fe3cf596668296a6a47f6acb.png)
④p:在△ABC中,若cos2A=cos2B,则A=B;q:y=sinx在第一象限是增函数.则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
A.①②③④ | B.①③ | C.①③④ | D.③ |
您最近一年使用:0次
名校
解题方法
3 . 已知命题
,
; 命题
,
, 则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c044b9fab53e095466ceb5ba3ee449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6fc004861e4a5780736acea3a9e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5710d08749535601963e2740843a6e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 设命题
:若
,则
;命题
:若
,则
,判断命题“
”、“
”、“
”为假命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bad6987e8abfbf07d6a2650483d2a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b9d5aaaceaa3ac514d17fcfefbf9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce22028b0472ba0c4db9c3179e963ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2021-01-24更新
|
465次组卷
|
4卷引用:宁夏海原县第一中学2020-2021学年高二上学期期末考试数学(文)试题
宁夏海原县第一中学2020-2021学年高二上学期期末考试数学(文)试题宁夏石嘴山市平罗中学2022届高三上学期第三次月考数学(文)试题(已下线)专题02 常用逻辑用语-2023届高考数学一轮复习精讲精练(新高考专用)新疆维吾尔自治区乌鲁木齐市第101中学2023届高三上学期12月月考理科数学试题
名校
5 . 已知命题
:若
,则
,命题
:若
,则
,在命题:①
②
③
④
中,真命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39f8269ee6226045f1686d6344b6312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8073266cfa99b04190473d16b615a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ae31dee0e33660e3aea37cf3b4bd20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00af7922b21d9dcc2a19f318a20ca192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e036ceb2f4b9a542309768aaf35fc0.png)
A.①③ | B.①④ | C.②③ | D.③④ |
您最近一年使用:0次
名校
6 . 命题
,
;命题
:若
,则
;则下列是真命题的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fbaf82fe2b22d44492a001a7a02466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03551548269a42fbe818d3426ffa8586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91bcddc2ece6bcde9355e222e1cf9f56.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-08-03更新
|
646次组卷
|
8卷引用:四川省三台中学实验学校2019-2020学年高二6月月考数学(理)试题
四川省三台中学实验学校2019-2020学年高二6月月考数学(理)试题黑龙江省大庆实验中学2020-2021学年高三上学期第一次月考数学(文)试题(已下线)考点24 不等关系与一元二次不等式-备战2021年高考数学(文)一轮复习考点一遍过(已下线)考点25 不等关系与一元二次不等式-备战2021年高考数学(理)一轮复习考点一遍过(已下线)专题02 常用逻辑用语(测)-2021年高考数学二轮复习讲练测(新高考版)(已下线)专题02 常用逻辑用语(理科专用)(测)-2021年高考数学二轮复习讲练测(文理通用)云南省昆明市寻甸县民族中学2020-2021学年高二第二次月考数学(文)试题四川省绵阳市南山中学2021-2022学年高二下学期期末热身考试数学(理)试题
名校
7 . 函数
的图象向右平移
个单位 长度得到
的图象.命题
的图象关于直线
对称;命题
是
的一个单调增区间.则在命题
和
中,真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57f3cd04926532f1b3b1a21613cc8f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb7f53f4d7d478a3fa3076b07b86c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90adb84d0db146a6dbc09f27f7e25da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0417dfc08f7fb6f58092c18dab151a8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c7306588917a43ab78fb8f29aca3ff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-01-12更新
|
726次组卷
|
4卷引用:四川省攀枝花市2019-2020学年高三上学期第二次统一考试数学(理)试题
名校
8 . 已知命题
:
,使
;命题
:
,都有
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2939abf9f1755ea304eeb1e73063cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830d96ab5c30d330cc9b176776780821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547adc121c442b3bb9189e6df5ee4018.png)
A.命题“![]() | B.命题“![]() |
C.命题“![]() | D.命题“![]() |
您最近一年使用:0次
2020-12-01更新
|
670次组卷
|
7卷引用:广西南宁第三中学2020-2021学年度高二上学期段考理科数学试题
名校
解题方法
9 . 已知命题
,
,命题
,
,则下列为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d742e830795ad528dcf1017aa5b1767d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5ef903925a8a94ba9627b9cd6b312a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9395bb671c68b418ec6931cfc8366e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21091d87bb0d0b8bdc3ae108eb1ad2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-21更新
|
682次组卷
|
8卷引用:山西省平遥中学2020届高三上学期第一次月考数学(文)试题
名校
10 . 已知命题
存在实数
,满足
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f589fceb4ea14ed4c48d148d9dafef50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4853b1b0df28ed9459fb7bbdab9eae25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546f4930fe22ff1f51524cc4dc9fcf14.png)
命题:
(
).
则下列命题为真命题的是
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-10-14更新
|
707次组卷
|
4卷引用:【市级联考】山东省邹城市2019届高三上学期期中质量监测数学(理)试题