1 . 已知集合
,
,则正确表示
与
的关系的示意图是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c307ab4fc8afb3e303da1eaa0b5ce991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788d1db45db697f912e8c1a203183f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知集合
,其中
.
(1)若集合
中有且仅有一个元素,求实数
组成的集合
.
(2)若集合
中至多有一个元素,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33432d5323404552eb6bb6f2296513a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 设集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4854b81e9945c25eb5be9610c85b540.png)
(1)若
是
的充分不必要条件,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912013c6e328bd1673a7722c4260bc4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4854b81e9945c25eb5be9610c85b540.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 设命题
:方程
有两个不相等的实数根;命题
:
.
(1)若命题
为真命题,求实数
的取值范围;
(2)若命题
,
一真一假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7a2b4d2e5087e251c9466672d09bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2be02ee5328f124ff1fe9a98a500b54.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 已知
,
,则“
,
”是“
”的______ 条件,“
”是“
”的______ 条件.(填“充分不必要”或“必要不充分”或“充要”或“既不充分也不必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2357ed8dbe6d3911738b8f747d670d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c328c9c4ec69c4275e27576fb61655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa984f7163c0b5daaf15e1ff4590a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
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6 . 用适当的方法表示下列集合:
(1)大于1且不大于17的质数组成的集合
;
(2)所有奇数组成的集合
;
(3)平面直角坐标系中,抛物线
上的点组成的集合
;
(4)
;
(1)大于1且不大于17的质数组成的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)所有奇数组成的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)平面直角坐标系中,抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e83aa019cb45e6e1f0fe577e820e0d.png)
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7 . 给出下列函数,其中为指数函数的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
8 . 以下式子中,计算正确的是 ( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-16更新
|
407次组卷
|
2卷引用:宁夏吴忠市秦宁中学2023-2024学年高一上学期月考(二)数学试题
名校
9 . 若
,则
的值为_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef598fb5a1d562e0d310046fd58045ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ce29af28a92637edd3259fe3a8f146.png)
您最近一年使用:0次
2024-01-15更新
|
537次组卷
|
2卷引用:宁夏吴忠市秦宁中学2023-2024学年高一上学期月考(二)数学试题
10 . 已知
,
,
,
,则下列关系一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac8d7ebf38712e27e9cf375c6f957ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次