设
.
(1)若
,求同时满足条件
的实数
构成的集合;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f8245831815d5b1675f08f2eb66a9e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7040b3e3a7e91bde5a81c96e93762b3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efa37890fe903541832719fbf566969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e434d52b7741e42c21c2785eb07ffcaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bdf1717c68cfc8a306ee79757e7e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
更新时间:2022-10-24 20:05:15
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解答题-问答题
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容易
(0.94)
解题方法
【推荐1】已知集合
,集合
.
(1)当
时,求
,
;
(2)写出一个
值,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255d8583fc7ebf0d40c29bbfaa6fa2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9a11cedd95b1d11a2ad48b1d2b8b8f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8250496dff397b3e8778755a8fe5d31e.png)
(2)写出一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
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名校
【推荐1】已知集合
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe8b1ecb619f4f16d675aa68637e23f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34784fbe03be37cba1a58f4a6cdc0fb9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-问答题
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容易
(0.94)
解题方法
【推荐2】已知不等式
的解集是A,不等式
的解集是
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(1)求
;
(2)若关于
的不等式
的解集是
,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b70384c1aca0606eac594388b59c0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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【推荐1】指出下列哪些题中p是q的充分条件?
(1)在
中,
,
;
(2)对于实数
,
,
或
;
(3)已知
,
,
.
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86aef1e0db5f085f23ac08c3af43b106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d06c45904dfc418fecb93b2619796c.png)
(2)对于实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595e46446f9da6927001055886df7a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037596faa95c62093a2df637e6379a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272da96ea75d2558464a75ef4d9ab33c.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1149929cdb3fb6dbefc2cde0ffcd5e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc8a6dc2d97432ea0a85fa3cbb7bbb0.png)
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【推荐2】已知
都是
的必要条件,
是
的充分条件,
是
的充分条件,那么
分别是
的什么条件?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820b9ffcbe50da9c8742ab894c113a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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