2010·河北秦皇岛·一模
解题方法
1 . 设n为正整数,规定:
(其中n个f),已知
.
(1)解不等式
;
(2)设集合
,对任意
,证明:
;
(3)求
的值;
(4)(理)若集合
,证明:B中至少包含8个元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d168bbddee33d89e61ee0d7b5740bcbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc1f6ca3e82b5fa4d7305655d4d13c4.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0829736ff553d2b1bbaefa6c806749.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9dbb89243dd3ac82cd4efd77e4917f.png)
(4)(理)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beba701e9c44bd1cd61c82f3f1599bc0.png)
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解题方法
2 . 设
,集合
,
,
.
(Ⅰ)求集合
(用区间表示);
(Ⅱ)求函数
在
内的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18abbbf2a61fc74ac752b6d0da635d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb3d2d0a1136946404a3d136e0dd33b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4064fc50caa87e368859dad3c21d1ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6331578573e681325798aae0349c6ed1.png)
(Ⅰ)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(Ⅱ)求函数
![](https://img.xkw.com/dksih/QBM/2016/11/30/1573188299014144/1573188305264640/STEM/167042a46aec4cb69378d52ecd142bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2016-12-05更新
|
265次组卷
|
2卷引用:2016-2017学年辽宁大连二十高级中高二上期中数学(理)试卷
解题方法
3 . 已知函数
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f64f210b832a31fe5e2f66efe7ffa22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b5c1af528db6bf68adc3d22728bc90.png)
![](https://img.xkw.com/dksih/QBM/2016/10/19/1573083514863616/1573083521073152/STEM/cbd97bf274894ac4b3ed245606f995da.png?resizew=56)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5f7fc831b1641c2f2120e43fd59407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84fb1f51e2de45b729cf3db7d115eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f64f210b832a31fe5e2f66efe7ffa22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b5c1af528db6bf68adc3d22728bc90.png)
![](https://img.xkw.com/dksih/QBM/2016/10/19/1573083514863616/1573083521073152/STEM/cbd97bf274894ac4b3ed245606f995da.png?resizew=56)
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4 . 集合
满足条件
,
,当
时,我们将
和
视为两个不同的集合对,则满足条件的集合对
共有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bfc343735f42124f572243eef276d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7113de81db260e6666292f39b447b848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
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解题方法
5 . 数列
是由1,2,3,...,2016的一个排列构成的数列,设任意m个相邻项的和构成集合B,即
.
(1)若
,求B中元素的最大值;
(2)下列两种情况下,集合B能否为单元素集,若能,写出一个对应的数列
,若不能,说明理由.
①
;
②
.
(3)对于数列
,若
,记B中元素的最大值为
,试求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee86c7dddbef5292f1a84d6b1d2bbacd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94174f37421d296a192b2df66c05f875.png)
(2)下列两种情况下,集合B能否为单元素集,若能,写出一个对应的数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2374b70aaea4938b3d669dad7206c05.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6390d296df7e303beda1ec4761079f.png)
(3)对于数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94174f37421d296a192b2df66c05f875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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6 . 设
是
的两个非空子集,如果存在一个从
到
的函数
满足:(1)
;(2)对任意
,当
时,恒有
.那么称这两个集合“保序同构”,现给出以下4对集合:①
;②
;③
;④
.其中,“保序同构”的集合对的序号是_______ (写出所有“保序同构”的集合对的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed1e3d0b48084731e3ad04020a92b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c1cb25158fcd25f6711e96a2547734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580c300d1699fc2145c914a0c99ae585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e509213f2b194f339a90a807f27e122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3aba98ef8e01c5088efe3c57ea8540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370efe6fca1690f85c935f83a0e5f4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f54c6e860ca5f615ca9353f15b0d8f8.png)
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解题方法
7 . 已知奇函数
在
上有定义,在
上是增函数,
,又知函数
,
,集合M={m|恒有
},N={m|恒有
},求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a28068770a85b88b42321cd71ecd3c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296c89b6d856644bd1996b14b68b66cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd0f1e3e3b41948f1b3d287c4b0cb44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e253eebbc430bf82bcfe9ab0433565d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3367365eceaa01cc6ea3468357605e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
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8 . 设全集U=[﹣1,1],函数
的值域为A,
的值域为B,求(∁UA)∩(∁UB).
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593155604480/1572593161699328/STEM/1c233aa2981c49619b253d26e0a7e726.png)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593155604480/1572593161699328/STEM/ed76b383726842c1a81fc29c051cdb6d.png)
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9 . 已知M={(x,y)|
=3},N={(x,y)|ax+2y+a=0}且M∩N=∅,则a=
![](https://img.xkw.com/dksih/QBM/2016/4/13/1572592711237632/1572592716619776/STEM/bf6ef41dd5364c888c117a9aae969464.png)
A.﹣6或﹣2 | B.﹣6 | C.2或﹣6 | D.﹣2 |
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解题方法
10 . 对于任意的n∈N*,记集合En={1,2,3,…,n},Pn=
.若集合A满足下列条件:①A⊆Pn;②∀x1,x2∈A,且x1≠x2,不存在k∈N*,使x1+x2=k2,则称A具有性质Ω.如当n=2时,E2={1,2},P2=
.∀x1,x2∈P2,且x1≠x2,不存在k∈N*,使x1+x2=k2,所以P2具有性质Ω.
(1)写出集合P3,P5中的元素个数,并判断P3是否具有性质Ω.
(2)证明:不存在A,B具有性质Ω,且A∩B=∅,使E15=A∪B.
(3)若存在A,B具有性质Ω,且A∩B=∅,使Pn=A∪B,求n的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9df41d67a96fb8ffc19bbbcf5597dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2623bcade9e7521db92dfcb45b90f91.png)
(1)写出集合P3,P5中的元素个数,并判断P3是否具有性质Ω.
(2)证明:不存在A,B具有性质Ω,且A∩B=∅,使E15=A∪B.
(3)若存在A,B具有性质Ω,且A∩B=∅,使Pn=A∪B,求n的最大值.
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