符号
表示不超过
的最大整数,如
,
,定义函数:
,在下列命题不正确 的是_______ .
①
;
②当
时,
;
③函数
的定义域为
,值域为
;
④函数
是增函数也是奇函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1416cab806012f939ae5f1e37d468142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e655ac9641f6261babf7f5a82bb10d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02772feb72b4ef462a2e942714ad8ea4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367ef70dab473d299e2019322675c29c.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a31f7a8c150b3f4e720db0401fd5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054775ba84117cafcf511ca8eeb5cabe.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ae66c5401deed7341470ca37800463.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2022-04-12 19:52:00
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【推荐1】. 已知集合
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