1 . 设
,令
若
,则在
平面中,点
组成的图形是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a26cbfd351d1af2add79d6315ad31c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a5cab5d1889d78b699b4dd78535d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6b91ee0383aa1149937f752697141.png)
您最近一年使用:0次
2 . 若集合
为某个给定的实数}与集合
的交集为空集,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652ba25a97710c17f981ced75847266b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0df14e3a35442eab1187ac0ce8b4676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2012高三·山东·竞赛
3 . 已知集合
,
,且
.则
、
的值分别为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae574502cef22829484cf6d80158496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d365265bca6574ccc58f7513be839911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69602cf12a855c600447fced8cb673d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.-1,0 | B.0,-1 | C.-1,1 | D.1,-1 |
您最近一年使用:0次
4 . 设
是有限集,对任何
、
,若
,则
.那么,
中元素个数的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e63c91626ffa91e590925e6f206c3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11a069688e4c797fcf527eab15afa82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957d41dbe52b49c3a7339e3519a3fe84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2011高三·浙江·竞赛
5 . 设
、
为两个互不相同的集合.命题
;命题
或
.则
是
的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e536ab6efc85923cb679fabe9d2f7895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d068729e449f05a9d5821a7f95589b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分且必要 | B.充分非必要 | C.必要非充分 | D.非充分且非必要 |
您最近一年使用:0次
2011高三·陕西·竞赛
名校
6 . 已知集合
.若
,且
的元素中至少含有一个偶数,则满足条件的集合
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3038b5e87cb0355232e2dd1561ac8b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107ff406293f39b04bc99e380e0de234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2011高三·山西·竞赛
7 . 在集合
中,末位数字为1的元素个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8afb9133a2f44900c631435f4965e2b.png)
您最近一年使用:0次
2011高三·山东·竞赛
8 . 已知集合
,
.则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ed95775202ccf08e5fec38731353af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb2968c703b5a5984381e62ccfae6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 设集合
.若
中所有三元子集的三个元素之和组成的集合为
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a784e0ba1c17aba6990123fe39b89114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd9d015807f4641e9b1b13277a28916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
您最近一年使用:0次
2018-12-25更新
|
215次组卷
|
3卷引用:2011年全国高中数学联合竞赛试题