已知集合
为全体实数,
或
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc7e492116efe61cd896991b428f14b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fb3d491a81b148f8988f9d04c4a13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64e3004889f3f175e93fcf0dd45e9f6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569934e6555cf553d32b2cd2f8c17fe7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
21-22高一上·全国·课后作业 查看更多[2]
(已下线)专练8 集合与常用逻辑用语检测卷(A卷)-2021-2022学年高一数学上册同步课后专练(人版A版必修第一册)新疆昌吉州阜康市第一中学2021-2022学年高一上学期第一次月考数学试题
更新时间:2021-08-22 08:43:21
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【推荐1】已知集合
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7517225c7dc3c90b06415aa7327f0b0.png)
(2)若
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【推荐2】已知全集U=R,集合
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1776e4b6612588edc5cdfa3ccbcc211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9819e62dbad42e35fc0f9bfd663b4ee.png)
(1)若
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(2)
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【推荐1】已知集合
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![](https://img.xkw.com/dksih/QBM/2016/3/17/1572541552861184/1572541558456320/STEM/c22029e4896f4dc783a2aa6ba5eef29e.png)
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572541552861184/1572541558456320/STEM/865731d9fd6e44a8af2669475321e5c2.png)
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(2)已知集合
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【推荐1】已知
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(1)若
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(2)从①
;②
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这三个条件中任选一个,补充在下面横线上,并进行解答.问题:若______,求实数
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.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b0898ad368fe82a1a477512f830c16.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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(2)从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c661d5c22b37a396ef7c2960ef3c34d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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注:如果选择多个条件分别解答,按第一个解答计分.
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【推荐2】若集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ade9b710d7f3934ab5a06937e9fa9ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4313e17f2bc6db5f530e97ecdf757c1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfe77dbdfae2c40dcd3ed9d992312dc.png)
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