已知集合
,
,
或
.
(1)当
时,求
;
(2)若
,且a为整数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6efe8dff8c4101202e74d90938bf5601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a859ad763e428e010c11e824d8739e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abc6e89423a08d319058adbcb372c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a884b4f8abcd59336c71e5429fa75fb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35a0896f31b875e46d49120364afe5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3226acdcb97e0f41aa5cefabc8f95c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca01f7659783f027784dda6d39f1264a.png)
更新时间:2023-11-09 07:09:15
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(0.85)
解题方法
【推荐1】设全集为R,集合
,
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ed2b8c2422e1dcdeeffc7fbe3f8cb1.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b979c33d2417ace632c306b7bee58d5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296e2f5304bf73bff97dca78424f9877.png)
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您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】已知集合
,
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(1)若
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae282f8773509164cca69ab7ee813ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecfb05896f6f977e85567b1633d0d1f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a383c6f21d52e8632095b326b46129.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac19737d882225c903054eb4863501.png)
您最近一年使用:0次