1 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fe14068d0c91108993067d1187e1d9.png)
![](https://img.xkw.com/dksih/QBM/2016/11/24/1573172158980096/1573172164591616/STEM/7eb88692e98749eab3ec27ab97197055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fe14068d0c91108993067d1187e1d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fe14068d0c91108993067d1187e1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac25b0fb1de8a1813a48e5b08c99e10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fe14068d0c91108993067d1187e1d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知集合
,集合
.
(Ⅰ) 求
;
(Ⅱ) 若全集
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28360a37afa4a2479f2c06504723f324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdf61f43d560e8335f46c5e411c48acb.png)
(Ⅰ) 求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
(Ⅱ) 若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef71e5cd3accb01aee0aee75e016a79.png)
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名校
4 . 集合
,
,则下列关系正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73089ae7a2db428be06b0ce1d5c13d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5ec493a9fced44e6e213e37dc828f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
628次组卷
|
3卷引用:2015-2016学年四川省资阳市高一上学期期末数学试卷
名校
5 . 命题p:实数x满足a<x<3a,其中a>0;q:实数x满足2<x≤3.
(Ⅰ)若a=1,且p∧q为真,求实数x的取值范围;
(Ⅱ)若q是p的充分条件,求实数a的取值范围.
(Ⅰ)若a=1,且p∧q为真,求实数x的取值范围;
(Ⅱ)若q是p的充分条件,求实数a的取值范围.
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2016-12-04更新
|
334次组卷
|
3卷引用:2015-2016学年四川省广安市高二上学期期末文科数学试卷
6 . 已知命题
,命题
,若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feadeb005ef5315d2a8b38748f604648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d180bad9e2eeed509e6816afc0a585.png)
![](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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名校
7 . 已知命题
函数
在
上单调递增;命题
关于
的不等式
对任意
恒成立.若
为真命题,
为假命题,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fa13ae903ef658adc59a1201aec948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad0124f28485f7f3b0c3519df81e221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2fc88e1b03113286f3d22bc5073990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0045a603e555d2d2a8ef634f9edf9951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a31351c3868449fd115650c13152be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
610次组卷
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4卷引用:2015-2016学年四川省资阳市高二上学期期末质量检测理科数学试卷
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8 . 已知命题
,那么
是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8676fc9bd8a4c313078df5eabf860fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-04更新
|
361次组卷
|
9卷引用:2015-2016学年四川省资阳市高二上学期期末质量检测理科数学试卷
9 . 命题“若
,则方程
有实根”的逆否命题为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ee36f4cdcef902aa4fa3905cb35dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f8c59f280b915235d089a22b393a11.png)
A.若方程![]() ![]() |
B.若![]() ![]() |
C.若方程![]() ![]() |
D.若![]() ![]() |
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2016-12-04更新
|
231次组卷
|
2卷引用:2015-2016学年四川省资阳市高二上学期期末质量检测理科数学试卷
10 . 设m是一个非负整数,m的个位数记作
,如
,
,
,称这样的函数为尾数函数.给出下列有关尾数函数的结论:
①
;
②
,若
,都有
;]
③
;
则正确的结论的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee53de59dde51125e85976f971dc9d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941e386b4eaab6b92a9ebcc678734896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d798792867f5e328b969a4dfab54fc5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f94a1caa3d9007c8e0b337a27fd856d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5448c0b24a1be067f25f8b3452c427.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050f4807b669482d496e6bc086264fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f3f0bf97c664d0bf86d450a0cb9592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250f7c541bda2a5de97f7925c1d9664c.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30766b4589c4288fe4193d37a71986f.png)
则正确的结论的个数为
A.3 | B.2 | C.1 | D.0 |
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