名校
解题方法
1 . 已知函数
,
是
的导函数,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f7276f0dac30dc49657470686618e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2023-04-25更新
|
1182次组卷
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4卷引用:北京市丰台区2023届高三二模数学试题
名校
解题方法
2 . 已知
为有穷数列.若对任意的
,都有
(规定
),则称
具有性质
.设
.
(1)判断数列
是否具有性质
?若具有性质
,写出对应的集合
;
(2)若
具有性质
,证明:
;
(3)给定正整数
,对所有具有性质
的数列
,求
中元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78dab5f68d424caa15eb7686f8ac2249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae415a09c33aa3e9d1a3dab6c522dad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7e9edf6d0468e0f8ca78b8bac63bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b740bc48c9718a294c11a1485fd14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f21d7bf91134d8d08668cee5dacc2e8.png)
(1)判断数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd984b8eee88a2c10df0e883c9ef67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed1adc648cc7d8fe7ac43df4b918f11.png)
(3)给定正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2023-01-05更新
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6卷引用:北京市西城区2023届高三上学期数学期末试题
名校
3 . 已知集合
,且集合
具有以下性质:
①
中的元素有正整数,也有负整数;
②
中的元素有奇数,也有偶数;
③若
,则
;
④
.
回答下列问题.
(1)若
,求证:
;
(2)判断集合
是有限集还是无限集,并说明理由;
(3)判断0和2与集合
的关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cc4258c4462d5b975319d077ba4b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0da721a308e3e091ad85573ada57e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a288b3ba82279d7c62a49065a080d35.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c523cff49126575b264a5749fe87f3d.png)
回答下列问题.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e80e9b33434f0573aa5da2acf7f4d9.png)
(2)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)判断0和2与集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2卷引用:北京市广渠门中学2023-2024学年高一上学期期中考试数学试题
4 . 对于正整数集合
(
,
),如果去掉其中任意一个元素
(
)之后,剩余的所有元素组成的集合都能分为两个交集为空集的集合,且这两个集合的所有元素之和相等,就称集合
为“和谐集”.
(Ⅰ)判断集合
是否是“和谐集”(不必写过程);
(Ⅱ)求证:若集合
是“和谐集”,则集合
中元素个数为奇数;
(Ⅲ)若集合
是“和谐集”,求集合
中元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e53e63811f83121eba1ca9efb17515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b0e3b00fe47801afb53ec56706c21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅰ)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29577e558c82e3121c9ba2bb2fea875b.png)
(Ⅱ)求证:若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅲ)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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名校
5 . 已知集合
,对于![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb4290cab93c0521d2596031625448.png)
,
,定义
与
的差为
;
与
之间的距离为
.
(1)若
,试写出所有可能的
,
;
(2)
,证明:
;
(3)
,
三个数中是否一定有偶数?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0434848a72cd9ca6ebf073ad9c83b4c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb4290cab93c0521d2596031625448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f59d8bf2d6b9555064ef53b2fbb009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d22720c8b8fbbf1b8e4406400b135f.png)
![](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/6335f9452b2b0b05bdfd44fae2c7648e.png)
![](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/e911e37c5e38ad98871864a82b887567.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e89f28120d4bc09dd4e4fcbeca223bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5318f129bfbfca89f51c03144251ce79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8513f18376e4e456b939d0f1cdb6e602.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5318f129bfbfca89f51c03144251ce79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8430e22ff50167e4de289cc378c0bc3f.png)
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2020-04-14更新
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4卷引用:北京市八一学校2023-2024学年高二上学期10月月考数学试题