1 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156e64f3454643981c397f1394eb4382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8678713bf4de2b2066e31f285af72688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-01-30更新
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4卷引用:浙江省杭州市2020-2021学年高三上学期期末数学试题
浙江省杭州市2020-2021学年高三上学期期末数学试题浙江省杭州市2020-2021学年高三上学期期末教学质量检测数学试题(已下线)【新东方】高中数学20210304-009(已下线)【新东方】高中数学20210323-011【高一下】
2 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eb60605b14d5dde4445cb321bcd344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8602b6552366f99a5950caf8c36ca730.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca18074fa5c3c1d0cf2080e9146ef72.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc345e92f43a4ee88b7173ab269976e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次