解题方法
1 . 已知集合
,且
,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b167b983e079c6f173ffadd007ce6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 已知集合
,若
的所有元素之和为12,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b92f56247253e5bf5f5135dfd2d107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177c0020e9e079f69ad6f977c3efa523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2024高一上·全国·专题练习
解题方法
4 . 若集合中的三个元素分别为
,则元素
应满足的条件是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6807572db504210876561d0eb39b5f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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5 . 集合
用列举法表示为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d274d70d3522154a1ee42725914f8a74.png)
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6 . 已知集合
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdb56a3df96776fe86c13c9ac38a292.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345fcc0218da13686109f3c5a20547f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdb56a3df96776fe86c13c9ac38a292.png)
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解题方法
7 . 设集合
,
,且
,则
值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62f4ba8fbfc647af35d37b4634f4860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64aac8a54ce94d22e384b0487e52afc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe93be2a3380a53c2e683cc6e9b920aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 集合
中恰好有两个元素,则实数
满足的条件是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cb533e99c8f273494a43eff429c1fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 若
,则
= ____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea201a07b64df162de1dc55aa9daab42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794a6cc061a617e27421b53113f128f0.png)
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解题方法
10 . 已知
,若
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c74fb2f4ea29ff915c52a182e53f4b2.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd357b075b18849337097a275e866bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333f966f6ec29f0661f93d99b055cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c74fb2f4ea29ff915c52a182e53f4b2.png)
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