1 . 下列表述正确的是( )
①
;
②若
,则
;
③若
,
,
均是正数,且
,
,则
的值是
;
④若正实数
,
满足
,且
,则
,
均为定值
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41dacd1b9b9ea7ae79ed03401a723e1.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24516cc9f0efbec928e910dc7a899895.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f04990db7a031f8514b81ae5faa79f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3528474d5c0817b909cdbca4566f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
④若正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0365bb32496c25d7aa5f191973fd7f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa468658500142da664ca688d4d4d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.①②③ | B.②④ | C.②③ | D.②③④ |
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4卷引用:2020届吉林省长春市五校联考高三上学期期末 数学(理)试题
名校
2 . 集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
.
(1)若
,求
;
(2)已知命题
,命题
,若命题
的充分不必要条件是命题
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d6fad2ea568de2936e7bd82e38f5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670c9f535ebcff5ab814ba64ee689700.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fe537831a48596b13471f056020b2b.png)
(2)已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4卷引用:山东省淄博市第七中学2019-2020学年高一上学期第一次月考数学试题
12-13高二上·山东临沂·期末
名校
3 . 已知命题p:方程
的曲线是焦点在y轴上的双曲线;命题q:方程
无实根.若p或q为真,¬q为真,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a239b951a3b495c51b60b24a87d10c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61cf3419d89ff7fab7db8f49428b4c4.png)
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8卷引用:2013-2014学年吉林省吉林市普通高中高二上学期期末理数学试卷
(已下线)2013-2014学年吉林省吉林市普通高中高二上学期期末理数学试卷(已下线)2013-2014学年吉林省吉林市普通高中高二上学期期末文数学试卷(已下线)2011-2012学年山东省临沂市高二上学期期末质量检测调研文科数学【全国百强校】辽宁省沈阳市东北育才学校2018-2019学年高二上学期第二次月考数学(理)试题江西省吉安市五校2019-2020学年高二上学期第二次联考数学(理)试卷江西省赣州市赣县三中2019-2020学年高二1月考前适应性考试数学(理)试题甘肃省甘南藏族自治州卓尼县第一中学2019-2020学年高二下学期期末数学试题甘肃省兰州市教育局第四片区2021-2022学年高二上学期期末考试数学(理)试题
4 . 已知以区间
上的整数为分子,以
为分母的数组成集合
,其所有元素的和为
;以区间
上的整数为分子,以
为分母组成不属于集合
的数组成集合
,其所有元素的和为
;……依此类推以区间
上的整数为分子,以
为分母组成不属于
,
…
的数组成集合
,其所有元素的和为
,若数列
前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27419232c006953978891b764088242.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4a78392f9a74092128226c25bd10f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ad4668cc927e277289b2af718f0d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fc328c7e3f983fd08f35ac1359a975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f31971306914638e5ceb1bbe437535d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ea50db79b18d8700cfa2559ff5e2d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27419232c006953978891b764088242.png)
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4卷引用:2020届吉林省长春市五校联考高三上学期期末 数学(理)试题
5 . 已知函数
,
.
(1)当
时,求函数
在点
处的切线方程;
(2)当
时,
恒成立,求实数a的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc2f770b387bd2a81990bc03714f97e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
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3卷引用:吉林省吉林市2019-2020学年高三第一次调研考试数学(文)试题
名校
6 . 设函数
的正零点从小到大依次为
……,
,……,构成数列
.
(1)写出数列
的通项公式
,并求出数列
的前
项和
;
(2)设
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b28ef6ff200fc31f885874671166beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58cc80f792a9262c4da33fabd21e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(1)写出数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ddd98b55540ceea4b416423e43c323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb6a94d29ebe17b3c026ccea7567232.png)
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3卷引用:吉林省吉林市2019-2020学年高三上学期第一次调研测试数学(理)试题
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280bfa2997dcf4c03f5a6b692597162f.png)
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbf0bfe67e875aa9fe13d4126581a3c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280bfa2997dcf4c03f5a6b692597162f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79aa85d00ca656ab68822bbcede21aa2.png)
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545931b962cf570712d04888b57093f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbf0bfe67e875aa9fe13d4126581a3c.png)
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名校
8 . 已知
分别为双曲线
的左、右焦点,过
与双曲线的一条渐近线平行的直线交双曲线于点
,若
,则双曲线的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195a7dca9e2f7e7f29b46b22b17d7772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29aa3bd463abf39a3f63e077abcc28.png)
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2019-11-23更新
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7卷引用:吉林省吉化第一高级中学校2019-2020学年高二上学期期中数学(理)试题
9 . (1)在△ABC中,求证:c(acosB-bcosA)=a2-b2;
(2)比较(a+3)(a-5)与(a+2)(a-4)的大小.
(2)比较(a+3)(a-5)与(a+2)(a-4)的大小.
您最近一年使用:0次
名校
10 . 采用系统抽样方法从960人中抽取32人做问卷调查,为此将他们随机编号1,2,
,960,分组后在第一组采用简单随机抽样的方法抽到的号码为29,则抽到的32人中,编号落入区间
的人数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545774d94e0b33441fb8c2d2cce646e1.png)
A.7 | B.9 | C.10 | D.12 |
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6卷引用:吉林省吉化第一高级中学校2019-2020学年高二上学期期中数学(理)试题