1 . 下列命题正确的是
A.“![]() ![]() |
B.若给定命题p:![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.命题“若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2 . 给出下列命题:
①若给定命题
,使得
,则
,均有
;
②若
为假命题,则
、
均为假命题;
③命题“若
,则
”的否命题为“若
,则
”.
其中正确的命题序号是( )
①若给定命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe46868049380b61fd061698ad59dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae986eb436359637a8224fc0ea3577c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea8c817d58f773e1ab3b1f71165fd1e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
③命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d09b9fc9719ff6faf32254b9d48713.png)
其中正确的命题序号是( )
A.① | B.①② | C.①③ | D.②③ |
您最近一年使用:0次
2016-12-03更新
|
736次组卷
|
3卷引用:2016届北京市朝阳区高三上学期期中统一考试理科数学试卷
真题
名校
3 . 有四个关于三角函数的命题:
:
x
R, ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db93f5ae179d970e478cb43b8030291c.png)
+![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baac50f844ebc073cbd706eac150c4e6.png)
=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
:
x、y
R, sin(x-y)=sinx-siny
:
x![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
,
=sinx
: sinx=cosy
x+y=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
其中假命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c3726fe0b0698826dc623f269e179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db93f5ae179d970e478cb43b8030291c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1020afcfd8b7de38dfd825373b86bdea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baac50f844ebc073cbd706eac150c4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1020afcfd8b7de38dfd825373b86bdea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c3726fe0b0698826dc623f269e179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dac463bbb7375dbf8e2246f9a6f0d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53496ae2397150370142b5195a1a39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce56299c259c2bf0fb56c16bfbb81e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef73aff3fe470e367f4af24fdfff3df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
其中假命题的是
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2016-11-30更新
|
856次组卷
|
12卷引用:北京市第十四中学2022届高三上学期期中考试数学试题
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