1 . 若集合
、
、
满足
,则下列结论:①
;②
;③
;④
中一定成立的有______ .(填写你认为正确的命题序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea839182e307f7e0b28763d0abb41a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6ca098b764e0366d043b69ae9d8f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3c7849c21d8acdeda0f83b4f163457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a347e53d69e6279105061e656d2f5bc7.png)
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名校
解题方法
2 . 已知集合
,
求①
②
③
④
(请画出数轴表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376204b5755743ecf15692592e06bbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe4c79190f100b6c6a976f91c072e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecf7604f5bf32eec7adc5a463653791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc3c4dc0fee68ecf5a699cac4533354a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05306cb7e109c4d3f4d0a11f28ab64c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fe92299d8bd4da70692707ac9da5ec.png)
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3 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886d36189fb906dd689fe5efc5ffde97.png)
(1)画出函数
的图象
(2)设
在区间
上的值域为集合
,集合
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886d36189fb906dd689fe5efc5ffde97.png)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b69fa745cc8ac2e60cd9601c5e4011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e05e0b2a1eb1f75bc44832ab19068c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次