1 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9e6ad1166c7625e63b80e75b2fb1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2891507ac463b9df63bf6ea623de98b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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2 . 某位喜欢思考的同学在学习函数的性质时提出了如下两个命题:
已知函数
的定义域为
,
、
.
①若当
时,都有
,则函数
是
上的奇函数;
②若当
时,都有
,则函数
是
上的奇函数.
下列判断正确的是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3df003ec70bffce22873618be147.png)
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e384ba050b238e11f7c74d3002aab.png)
①若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2e41c64ac5508a9ba27b697122d6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
②若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f24b4fa5308650a244d954f78f09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
下列判断正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3df003ec70bffce22873618be147.png)
A.①和②都是真命题 | B.①是真命题,②是假命题 |
C.①和②都是假命题 | D.①是假命题,②是真命题 |
您最近一年使用:0次
2019-11-09更新
|
159次组卷
|
3卷引用:2019年上海市长宁(嘉定)区高三上学期期末质量检测(一模)数学试题
名校
3 . 对于实数
,定义
为不小于实数
的最小整数,如
,
,
.若
,则方程
的根为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee49c86c7abaea7e4a306c1faa4b0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2cd7f904b944f5603c3996515c76c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11344b87c277030fc1c56d35a48e32aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a688e836de1dc272ad956f02f29691e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335e50abc041caf57cd0a70443e3438e.png)
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名校
4 . 设全集
,集合
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8dcdb1f0419cfa3f42858412b9d847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffed05296d6f2acc34858bdbe03beb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
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2019-11-08更新
|
159次组卷
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2卷引用:上海市洋泾中学2018—2019学年高三下学期3月月考数学试题
名校
5 . 函数
,集合
,
,则如图中阴影部分表示的集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058b07182119f709a5f00dcc08751e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81ed9c4d2252e27159ac1eb06ebc861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607f3195684624b7aeeddcfed570ff16.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/efb4643c-fc1d-421d-9baa-b9f4dd0d2c5e.png?resizew=148)
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6 . 设集合
,若非空集合
同时满足①
,②
(其中
表示
中元素的个数,
表示集合
中最小元素),称集合
为
的一个好子集,
的所有好子集的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12247711394ed07a2f6a7c27f73eea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e782887fa9cd8934bc19cc1288d5f51c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a462820b4535b1fa5a75c7c6e9547b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8279d9dd0b7750953cb9e2098b3b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9b9765625c0a2b3a7c6850983f3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
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2019-11-08更新
|
1042次组卷
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6卷引用:上海市复旦附中2019-2020学年高三上学期9月综合练习一数学试题
上海市复旦附中2019-2020学年高三上学期9月综合练习一数学试题上海市进才中学2019-2020学年高一上学期10月月考数学试题上海市宝山区行知中学2020-2021学年高一上学期期中数学试题上海市中国中学2020-2021学年高一上学期12月月考数学试题(已下线)专题05 集合与常用逻辑用语压轴题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)福建省福州市闽侯县第一中学2021-2022学年高一上学期第一次月考数学试题
名校
7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1fabb2286b25f0e78eb9d4dc803e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2019-11-07更新
|
690次组卷
|
3卷引用:上海市延安中学2018-2019学年高三上学期9月月考数学试题
解题方法
8 . 如图分别为定义域和值域均为
的函数
和函数
的图象,则下列命题正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/12/22/2367517996163072/2409007170756608/STEM/b16d14b5da414055af007bdb9106a6bf.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://img.xkw.com/dksih/QBM/2019/12/22/2367517996163072/2409007170756608/STEM/835ee9ae66f14e099d12ba746ded5e15.png?resizew=179)
![](https://img.xkw.com/dksih/QBM/2019/12/22/2367517996163072/2409007170756608/STEM/b16d14b5da414055af007bdb9106a6bf.png?resizew=178)
A.函数![]() ![]() | B.函数![]() ![]() |
C.函数![]() ![]() | D.函数![]() ![]() |
您最近一年使用:0次
2020-02-28更新
|
433次组卷
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2卷引用:2018届上海市上海交大附中高三下学期模拟卷(一)数学试题
9 . 已知方程
恰有三个不同的实数解
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2583800b06bfa9226f33b1b70b476f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72e12283f196924d046a7eaf8fcd63e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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名校
10 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bcf811e5bb7a6ffaa29e5e7dc17edd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc37e2dc152ef8fc006819c7d9704ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
2020-02-28更新
|
641次组卷
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5卷引用:2018届上海市上海交大附中高三下学期模拟卷(一)数学试题
2018届上海市上海交大附中高三下学期模拟卷(一)数学试题2020届江苏省南京师大附中高三下学期期初数学试题第四章 幂函数、指数函数与对数函数【真题训练】-2020-2021学年高一数学单元复习(沪教版2020必修第一册)(已下线)第4章 幂函数、指数函数与对数函数(基础、典型、易错、压轴)分类专项训练-2022-2023学年高一数学考试满分全攻略(沪教版2020必修第一册)(已下线)第2章 等式与不等式(基础、典型、易错、新文化、压轴)(1)