解不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a0ab4bf53b653678fd56c08c6f3942.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ac05108f90610ed04e66f5a7c751fc.png)
21-22高一下·四川遂宁·阶段练习 查看更多[2]
更新时间:2022-05-13 11:48:45
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解答题-问答题
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【推荐1】已知集合A=
,B=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5494db8ad338cb15a221bec923c9bc9f.png)
(1)若m=3,求A∪B;
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(1)若m=3,求A∪B;
(2)设全集为R,若B
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解答题-问答题
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容易
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【推荐2】已知全集为R,集合
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/410288266075338e84f8995c92a748fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087da3a3a0bd61c630be5afbf73d30da.png)
(1)求
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(2)求
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解答题-问答题
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容易
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【推荐3】已知全集
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(1)当
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(1)当
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56552cb9c94f329a295d508567103f75.png)
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