1 . 设
为正整数,集合
对于
,设集合
.
(1)若
,写出集合
;
(2)若
,且
满足
令
,求证:
;
(3)若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb39983c5c3fc32d3f0a2c98f04cdb3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee7981aba05ee1d4945062913c8db8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08897069d8b3e4c9f42a768d7ae2d416.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40deecdcc73cfee7fe7624a813af16ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeff5c5f7214a5f9b920af89af5b3802.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee7981aba05ee1d4945062913c8db8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5c31ea128ff2a390979894f53486f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695e27822adf2901dd6f48a1a29e68d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764928f3bec8c40cbff944c0b36ffb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bf5b3e05fdd0bdb9597f5b9d2386cf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee7981aba05ee1d4945062913c8db8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53037f80f8cf5faf2f861a3859c3166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa4b0e70b5c191c6391263d905c52b0.png)
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2 . 已知集合
,
,
,将
的所有子集任意排列,得到一个有序集合组
,其中
.记集合
中元素的个数为
,
,
,规定空集中元素的个数为
.
当
时,求
的值;
利用数学归纳法证明:不论
为何值,总存在有序集合组
,满足任意
,
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c9e547b17582b99e548037172eeff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8d39f862e8cca3593aec86fc5c2365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40d6fcf887cb53660bea5bbf5ba3a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e86a882ef57f44f0ad22836079afe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3d686e972baa72df81389555897acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9da7ed8607824e4bf0d58702650b79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f27f84764f1cca89ce3d93fc1cf603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8d39f862e8cca3593aec86fc5c2365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6af1644737a2948f30308a168ff07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8189d5757031fadcfdd9619738f4d212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f84e47a769592cc75dbb5756985721.png)
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3 . 在集合
中,任取
个元素构成集合
.若
的所有元素之和为偶数,则称
为集合
的偶子集,其个数记为
;若
的所有元素之和为奇数,则称
为集合
的奇子集,其个数记为
.
(1)求
,
的值;
(2)求
;(结果用含
的多项式表示)
(3)当
为偶数时,证明:
+
=
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cc63028c8858be8ec2f4d071c3a019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9ad0fa498189f3821045b99f8980b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a33588ff0aa3fcc6efafc5a5a99ba90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0d7559d8dfa8236ca9d4b1853fbdec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78cd844b6fce430ef28c2b5e760e3f7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc76acb40775f16af461f74d29efdb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d59b0f0ee3731e6dbb3899e56a6d163.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66afb8918fa1fecdf44f5075ce17e80e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54b0a5c5422dc0c0ce1eb61de371694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b990adae52d73e957230785359538e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f9ee40504cd3b0a8cf9117d353d101.png)
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