2023高三·全国·专题练习
1 . 已知全集
,如果命题
,那么
是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719a1e6a6d75578cea2e7878f00684dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676e4e52efd65057075d80a74724b53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
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名校
2 . 下列说法错误的是( )
A.若命题![]() ![]() ![]() ![]() ![]() ![]() |
B.“![]() ![]() |
C.若命题“![]() ![]() ![]() |
D.“若![]() ![]() ![]() |
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2022-05-26更新
|
548次组卷
|
4卷引用:考向02 常用逻辑用语(重点)
名校
3 . 关于某校运动会
米决赛前三名选手甲、乙、丙有如下命题:“甲得第一”为命题
;“乙得第二”为命题
;“丙得第三”为命题
.若
为真命题,
为假命题,
为假命题,则下列说法一定正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4b31ff8c25710c8c0d3480f5c18d3a.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/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d42106a1e81bba7fec300328444a480.png)
A.甲不是第一 | B.乙不是第二 |
C.丙不是第三 | D.根据题设能确定甲、乙、丙的顺序 |
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2023-01-17更新
|
153次组卷
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3卷引用:江西省萍乡市2023届高三上学期期末考试数学(理)试题
解题方法
4 . 已知p:如果数列
是等比数列,那么数列
也是等比数列;q:如果数列
是等差数列,那么数列
也是等差数列.以下哪些为真命题___________ .
①p∧q
②p∨q
③
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3523ba3e007b23175ebc813bc9843510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3523ba3e007b23175ebc813bc9843510.png)
①p∧q
②p∨q
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb9d57cbe246df4aa7b2e12e4aed9ed.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a464aa880b9557686ddf53396129166.png)
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5 . 有下列命题:
:幂函数
的定义域为实数集
;
:已知数据
,
,…,
的平均数为
,方差
,则
;
:若
函数的导函数为
,
的解为
,则
为函数
的极值点;
:变量
,
负相关,相关系数为
,则
越大相关性越弱,越小相关性越强.则真命题为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7149a3e582195e80d53797aa163c859c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55cffbfcca9063662cac2626ba5e9abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85481cd7e94130ef3aa05b4a39e79cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab9db19467c02c2884f7166bcdb8f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20981fbc04f7461658b2921d6812582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbadbb09da422f97c3757082869fa50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de122ae929b1acaff321dec137622ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-05-28更新
|
282次组卷
|
3卷引用:陕西省西安市八校2021届高三下学期第三次联考文科数学试题
陕西省西安市八校2021届高三下学期第三次联考文科数学试题陕西省西安地区八校联考2021届高三下学期高考押题理科数学试题(已下线)专题03 逻辑联结词、全称量词与存在量词-备战2022年高考数学(理)母题题源解密(全国乙卷)
6 . 6个大小不相等的数排成3行,第1行1个数,第2行2个数,第3行3个数,设
是第
行中的最大数,现有下列四个命题:
最大数在第一行的概率为
;
最大数在最后的概率为
;
的概率为
;
的概率
.
则下面命题中,假命题为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c53a8bb905e51201940195d8c25cec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a617a9b648bfb804eb7ac1cf357f8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b624e6d456c5aa077dfd00ada3a311d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f731aa23c326a79f5a97c0b805166272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2b7ee63bf275df1e13626e6986825c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6da1531c749a0bd5b95ad4a25f34d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
则下面命题中,假命题为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 下列结论不正确的是( )
A.![]() |
B.![]() |
C.![]() |
D.若![]() ![]() ![]() |
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