已知集合
,
.
(1)当
时
;
(2)若
,求m的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e467975862b5180078a2b564608464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3d7e42b1f628950e862a1dc60b22a9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66533efca4a89eda4840b7b2410295b7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
更新时间:2021-11-19 15:40:07
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解答题-问答题
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解题方法
【推荐1】已知集合
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e678393488bd3722ca38adc76df2228e.png)
(1)若满足
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(2)若满足
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92defe532e75dda6a54fb5237df0f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb01a1f28a6752cb633d9523475631bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e678393488bd3722ca38adc76df2228e.png)
(1)若满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】已知集合
,
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(1)求
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(2)求
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(3)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea6cd440724a3059db805bc5238389e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7353981c4ffd5b1bff0964f5d823173.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
【推荐1】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c981aedffeaee37238ed1b549aa61469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3415b6c648dc72638b1b48bbca88366e.png)
(1)分别求出集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设全集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ba0411c6451b4fafd780b9a9c28e7b.png)
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【推荐2】设全集为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9d19f20193335f53a3aa5826391f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7663b88504f0c8d921fb5a4d164c40.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b5098b577cf919109fc2f6e6c362f5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52854d0ead4737302f4b4706e1f80553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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【推荐1】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbfd94255608ae8c2ddefd7b3363f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d8742c296a7949b598114a34c51f69.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20dccf61760e86ab2f397b354faa26bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0547d0e1e8b5ffb88d07dd8e3d835049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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