1 . 给定整数
,由
元实数集合
定义其随影数集
.若
,则称集合
为一个
元理想数集,并定义
的理数
为其中所有元素的绝对值之和.
(1)分别判断集合
是不是理想数集;(结论不要求说明理由)
(2)任取一个5元理想数集
,求证:
;
(3)当
取遍所有2024元理想数集时,求理数
的最小值.
注:由
个实数组成的集合叫做
元实数集合,
分别表示数集
中的最大数与最小数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a74fd362793540afbf0d97d96e34f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a004e53d6da57977a26325a5336e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)分别判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798fbe13094bfa183eb57fae77647508.png)
(2)任取一个5元理想数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b942b7722c385c79c70ba8928d38af.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2861d53cafb06f076c59b25bdfd857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
注:由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc0cbd6a65ad74e65716c682d6985cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次