具有性质:
的函数,我们称为满足“倒负”变换的函数.给出下列函数:①
;②
;③
其中满足“倒负”变换的函数是_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad4c3cb38a5ce9b06167ce7217453d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b51339598083729b9f080d1e2b9a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c2a070fe89b803507dab696fa4641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a9ac9e7e22d891e037661b1cce0819.png)
更新时间:2021-10-26 14:35:20
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适中
(0.65)
解题方法
【推荐1】设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ee7961d61854c6b6a0756c57523447.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97cd3cec693d37b9379b6cbad82f5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ee7961d61854c6b6a0756c57523447.png)
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适中
(0.65)
名校
【推荐2】若
,且
对于任意实数
都成立,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5a171e538aa5ca5b65403e70d7b381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af3f0748b6fd3e2d457ec90b6e80f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-单空题
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适中
(0.65)
解题方法
【推荐1】已知数列
满足
,记
(其中
表示不大于
的最大整数,比如
),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1356c70a601292169ffa13bce55b15ea.png)
__________ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb541cbc0b317fc5d5a8df793b0754a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a32599bd3cf20b60396e9203ff572ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29dc4844ff92b2e1a5fb4bd2a325af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1356c70a601292169ffa13bce55b15ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600a83dd7963a62dc2d585e3508ced8a.png)
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解题方法
【推荐2】在平面直角坐标系中,若两点
、
满足条件:①
、
都在函数
的图象上;②
、
两点关于直线
对称,则称点对
是函数
的一对“和谐点对”(注:点对
与
看做同一对“和谐点对”).函数
,则此函数的“和谐点对”有_______ 对.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055350426ba466f508c54d620800d048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055350426ba466f508c54d620800d048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c33301b5997d5e3c6cc3f119234c8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35fbb448ca69441fda3aa4fe9c0d7919.png)
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