下列结论:
①若命题
命题
则命题
是假命题;
②已知直线
则
的充要条件是
;
③命题“若
则
”的逆否命题为:“若
则
”
④命题“若
,则
或
”的否命题为“若
则
或
”
⑤命题“
”的否定是“
”
其中正确结论的序号是________ (把你认为正确结论的序号都填上)
①若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20728d4f66bdb7ad84b04b837706d0af.png)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/34de98b7f18f4359af4662c5cd5d3574.png?resizew=163)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/e3e477ef096d4fa9ae17f430bf167caa.png?resizew=61)
②已知直线
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/fab84458113b42719b980be8602b26ad.png?resizew=232)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/8def058e02f34d15b2a071666067b7e8.png?resizew=43)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/3476c67b0f4c4fdb9dd366e7a0061f5f.png?resizew=49)
③命题“若
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/df0b9f3a2c194e0181cd57bccc17bd21.png?resizew=104)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/cfb95aede4ce4777b71cbd64fead3ea7.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/c9018719e2ce43aeb8ed5b2ac3bc7075.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571944231223296/1571944236703744/STEM/3aa8358812194037bd633c8f5ffdbcbf.png?resizew=103)
④命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34715101c66fa12ce6baf0a9c53f1672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d480f0fe759b6773d568ea7bcd2f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c412d5329ba909164329663b7eecdfe.png)
⑤命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42642f78f1c07391ed9e8488eab1618e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cd1c4be8c8e07a057641984ee076b8.png)
其中正确结论的序号是
更新时间:2016-12-03 07:51:38
|
相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】下列命题中,所有正确命题的序号是_____________ .
(1)函数![](https://img.xkw.com/dksih/QBM/2016/3/17/1572541552861184/1572541558398976/STEM/47bd3aa3a07f425787bc3cac054fcb26.png?resizew=101)
的图像一定过定点
;
(2)函数
的定义域是
,则函数
的定义域为
;
(3)已知
=
,且
=
,则
=
;
(4)已知
且
,则实数
;
(5)已知函数
在
上有零点,则实数
的取值范围是
.
(1)函数
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572541552861184/1572541558398976/STEM/47bd3aa3a07f425787bc3cac054fcb26.png?resizew=101)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb9785109455cbf8cbb673151ec78e88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88aa54f855334cab19d8d19ca9aea9dd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed2dd8a797d6da9c89e858aed9a7da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572541552861184/1572541558398976/STEM/5f1edf600df4423e882916b98a7c2543.png?resizew=36)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5eecef5e4d1dfaa7adb1ce5f0d3cd7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14be574d4eaf7f7e0d2b28ade7f3ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf3d3564c61e5e9c39a9e2cf2de048b.png)
(4)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d54e9377a5efcb497f8669ffac8c843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650e1fbe70fe158d525e096ba2bef858.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572541552861184/1572541558398976/STEM/e32eea717fbf4b6f99f3b0a8ffbc03b2.png?resizew=44)
(5)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a76d2865f358630150dc9611e16d804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】下列结论:①函数
的图象的一条对称轴方程是
;②
中,若
,则
;③在
中,内角
成等差数列,则
;④已知数列
的通项公式为
,其前
项和为
,当
取得最大值时
,其中正确的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d029313f754a8efcc6dfd40d190fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d234b148b4ead8bb8eb746993d35686c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47e66258d3c21dd9bf44dab2c960afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a42a4832e64ab1978ae4b9f0ba175d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542b9547dc9b690b0c10d4b285fbb684.png)
您最近一年使用:0次