1 . 已知函数
是定义在R上的奇函数,对
都有
成立,当
且
时,有
,给出下列命题
①
;
②
在
上有
个零点;
③点
是函数
的一个对称中心;
④直线
是函数
图象的一条对称轴,则正确的是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621f1e1a9e75ffbd8e4ada7d261ad662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa10bae6ce6e91bf99c580d102947b46.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfe92a2ef224401cf0bb3a782fdf452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
④直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd197db1a9a360b67115c0f152972c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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2011·贵州·模拟预测
2 . 给出下列四个命题:
①在空间,若四点不共面,则每三个点一定不共线;
②已知命题
,“非
为假命题”是“
或
是真命题”的必要不充分条件;
③若
,那么
;
④若奇函数
对于定义域内任意
都有
,则
为周期函数.
其中错误命题的序号为____________ .
①在空间,若四点不共面,则每三个点一定不共线;
②已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d63b747a76213afe863d7f05431da48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13a828975535efba2e25cdcf71988be.png)
④若奇函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7559fb6b4b5a4e8fc721675ab1775a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中错误命题的序号为
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