1 . 已知集合
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba184d11c85fc12ff547b49576d2efb.png)
(1)当
时,求
;
;
(2)若
是
充分条件,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c4054b77ec128daec0df3b99240512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc89574e03ae2e18895693fe315565b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba184d11c85fc12ff547b49576d2efb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545ab754ac82a38ef6dc6759dadeea20.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2 . 已知函数
则“
”是“
有3个零点”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4b87020f918e744bc672a5d31438c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2309be28dba4a11824692188a0403cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.充要条件 | B.必要不充分条件 |
C.充分不必要条件 | D.既不充分也不必要条件 |
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2023-10-12更新
|
294次组卷
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3卷引用:辽宁省部分学校2023-2024学年高三上学期10月月考数学试题
解题方法
3 . 在
中,内角A,B,C所对的边分别为a,b,c,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a641da1c70d0ad481082af87e98ccbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08d86a355b3c1040553eb0963d9d2b3.png)
A.充分不必要条件 | B.充要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
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4 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8f77412df80e314ee1e5efd6a4b52f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39913ec6800fb94cb7721ba1db21697c.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2023-10-10更新
|
612次组卷
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2卷引用:辽宁省朝阳市2023-2024学年高三上学期9月联考数学试题
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5 . 已知
,
,若
是
的必要不充分条件,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661b9687b4fbdbf8d9e4e0efaad23840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ada6ea9dcc12f306a7811cab1603b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . “
,
为真命题”是“
” 的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d781ec53d194c62490d3bc889917ab13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41103b8dfc70b12a79691a772c5eddb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8eca68c4c7478f412183aa275fc7dc.png)
A.充要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
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2023-10-07更新
|
734次组卷
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4卷引用:辽宁省六校协作体2023-2024学年高一上学期第三次联考数学试题
名校
7 . 若
,
都是实数,试从①
;②
;③
;④
中选出满足下列条件的式子,用序号填空:
(1)使
,
都不为0的充分条件是__________ .
(2)使
,
至少有一个为0的充要条件是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3019b662e5dc2750bb6f9199d3250f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9cdea1e995c59e5d3225acad8b4d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964da2fc82ba1678a811c236ae3f4b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
(1)使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
8 . 已知
的解集为集合
,不等式
的解集为集合
.
(1)求集合
和集合
;
(2)已知“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b52d56401fd9105b715c7ff78cba4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c6cdd5799e1d9d0f6751c4d02ac305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知“
![](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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-10-01更新
|
299次组卷
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5卷引用:辽宁省阜新市高级中学2023-2024学年高一上学期9月月考数学试题
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解题方法
9 . 已知
,其中
且
.
(1)若p是q的充分不必要条件,求实数a的取值范围;
(2)若p是q的必要不充分条件,求实数a的取值范围:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb4fa592d21acfefc4a98f5c93281ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若p是q的充分不必要条件,求实数a的取值范围;
(2)若p是q的必要不充分条件,求实数a的取值范围:
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10 . 下列说法中正确的有( )
A.命题![]() ![]() ![]() |
B.“![]() ![]() |
C.命题“![]() |
D.“![]() ![]() ![]() |
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2023-09-28更新
|
1148次组卷
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8卷引用:辽宁省沈阳市第二十中学2023-2024学年高三上学期三模考试数学试题