名校
1 . 已知非空实数集
,
满足:任意
,均有
;任意
,均有
.
(1)直接写出
中所有元素之积的所有可能值;
(2)若
由四个元素组成,且所有元素之和为3,求
;
(3)若
非空,且由5个元素组成,求
的元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8647b00cc8c8f35555c7d78cf2812c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb41fc59f3b73393137b5f94e226748f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d81972b1768d827ba3083f96a273412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44d6313ede330c096f56ddcc71f3954.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c450aa751cacd6442e82062d4b8b1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af500a4e28d6f5b38390b7642eb96ed5.png)
您最近一年使用:0次
2023-11-05更新
|
400次组卷
|
3卷引用:重庆市育才中学校2023-2024学年高一下学期3月月考数学试题