1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f7f9dbbab51a5ccf52ea847a77b637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292ebcabbbd9d55b7bb72dfac45f2aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知集合
,
,若
中有且仅有一个元素,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188791535098a44dcdea38cd18d79ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd272c554d81d4002e450e7de98b9de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-22更新
|
593次组卷
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3卷引用:四川省遂宁市射洪中学校2024届高三下学期二模考试数学(理)试卷
3 . 已知集合
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64d0e19b26c07de37c071f56ba482cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9010bb095765c0b0be1e1ecf5dacbf10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5f10b560a5d5d117c3069cb1715b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
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2024-04-15更新
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415次组卷
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3卷引用:四川省遂宁市2024届高三第二次诊断性考试数学(理)试题
4 . 已知等差数列
的公差为
,集合
有且仅有两个元素,则这两个元素的积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e482e8743415c4fdf487764c972594e.png)
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2024-04-15更新
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604次组卷
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3卷引用:四川省遂宁市2024届高三第二次诊断性考试数学(理)试题
5 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64d0e19b26c07de37c071f56ba482cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9010bb095765c0b0be1e1ecf5dacbf10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5f10b560a5d5d117c3069cb1715b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-07更新
|
429次组卷
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4卷引用:2024届四川省遂宁市等3地高三二模文科数学试题
6 . 已知等比数列
的公比为
,前
项和为
,则下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() |
B.![]() |
C.![]() |
D.“![]() ![]() |
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解题方法
7 . 已知全集
,集合
.
(1)若
,求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aee3bbc2978cebb4f95493e4dced9e7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](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
8 . 下列说法不正确的是( )
A.若![]() ![]() |
B.命题![]() ![]() |
C.回归直线方程为![]() ![]() |
D.在![]() ![]() ![]() ![]() ![]() |
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2024-03-01更新
|
180次组卷
|
2卷引用:四川省遂宁市射洪中学校2024届高三下学期开学考试理科数学试题
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9 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249d53fe985e1261b3a63eeffaf603a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-01更新
|
180次组卷
|
2卷引用:四川省遂宁市射洪中学校2024届高三下学期开学考试理科数学试题
名校
解题方法
10 . 已知集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5881ac3d23a08af2b55d1a901ccb5796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddff9a95efe482689e7702ca3c77eee.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfa1a02d2a09be021d3dd8ca593bc10.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/0a6936d370d6a238a608ca56f87198de.png)
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2024-02-13更新
|
211次组卷
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5卷引用:四川省遂宁市2023-2024学年高一上学期期末质量监测数学试题