名校
1 . 已知函数
,若有且仅有两个整数
、
使得
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa5eb5dca0a26b0520e0578dc81ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878b7fa17bbde74d11057d256e3f317f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b202dcf62af3123644c61d130248b6d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-11-08更新
|
2006次组卷
|
7卷引用:江西省山江湖协作体2019-2020学年高二上学期第三次月考(自招班)数学试题
名校
2 . 已知函数
的图象与
的图象有四个不同交点,其横坐标从小到大依次为
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b214363b06afecc73269b952ca9688e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd58c849ab2237ff8161902ebf5cca93.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e714254cc028b2332db403522e72a304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b214363b06afecc73269b952ca9688e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd58c849ab2237ff8161902ebf5cca93.png)
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2019-07-04更新
|
394次组卷
|
2卷引用:山西省太原市2018-2019学年高三模拟试题(二)数学(理)试题
名校
3 . 已知函数
,且函数
是偶函数,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba94b35258a2fbde34d7e26be524fb6e.png)
(1)求
的解析式;
(2)若不等式
≥0在区间(1,e2]上恒成立,求实数
的取值范围;
(3)若方程
有三个不同的实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb39dd7a9741c2e6796ce20a0910971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc70c16151048d64bcb8e1e9b51e7d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba94b35258a2fbde34d7e26be524fb6e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f450f1baabdcf471b6124f4c9831e7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b25b4641c265f556503c6e950100598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-07-04更新
|
3174次组卷
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7卷引用:福建省厦门大学附属科技中学2020-2021学年高一12月月考数学试题
名校
4 . 设
是不小于3的正整数,集合
,对于集合
中任意两个元素
,
.
定义1:
.
定义2:若
,则称
,
互为相反元素,记作
,或
.
(Ⅰ)若
,
,
,试写出
,
,以及
的值;
(Ⅱ)若
,证明:
;
(Ⅲ)设
是小于
的正奇数,至少含有两个元素的集合
,且对于集合
中任意两个不相同的元素
,
,都有
,试求集合
中元素个数的所有可能值.
![](https://img.xkw.com/dksih/QBM/2019/5/29/2213677049249792/2214678931529728/STEM/fc9eda8df5794756b0651aad13deae50.png?resizew=13)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d9fcf5398bd0f9857193430bdea44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb4290cab93c0521d2596031625448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab4bb60c49a5bc66f40a13fd77fd45c.png)
定义1:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b907e477157421788070fa7b168315.png)
定义2:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa934581daabe793f049138397ef34b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb4290cab93c0521d2596031625448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab4bb60c49a5bc66f40a13fd77fd45c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601614c932fe6d852fff76488eebcce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab1d8e0b76ed11ddddbc2c14554000b.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e4a92a0731d0eaca247a21a4a2aadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52b1ec97d7091a7d0d267dffff3f7ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9297cd87607255b5c2258b00d43c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce7c9333b595345225d8a1925e4d581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4825990d7720b3e88f14deb1e7123ef.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e77ba8c90d21237670483bbcd8ac63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c06cadeefb15a08344b91b954245691.png)
(Ⅲ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e83925c979f4f0d3802cdfa37a88c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb4290cab93c0521d2596031625448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab4bb60c49a5bc66f40a13fd77fd45c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c81713099c880d5bae5e8bfedc96fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2019-05-30更新
|
1231次组卷
|
3卷引用:上海市吴淞中学2019-2020学年高一上学期10月月考数学试题
上海市吴淞中学2019-2020学年高一上学期10月月考数学试题【区级联考】北京市房山区2019届高三第二次高考模拟检测数学(理科)试题(已下线)专题03 集合中的压轴题(一)-【尖子生专用】2021-2022学年高一数学考点培优训练(人教A版2019必修第一册)
名校
5 . 已知函数
.
(1)讨论
的单调性;
(2)若
,证明:对任意的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f70281e331d6a47664b8ddce32a325.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb3185b11e4a9de8cdd36e1002ea79a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1e3597d006053c85f41d74fff3fa6d.png)
您最近一年使用:0次
2019-04-22更新
|
1447次组卷
|
5卷引用:山西大学附属中学2018-2019学年高二5月模块诊断数学(理)试题
名校
6 . 已知
是定义在
上的函数, 若
在定义域上恒成立,而且存在实数
满足:
且
,则实数
的取值范围是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59fb80edacd9caf49bb5e173f56beb97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf77459045d231609c541fedeab3471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd57fc8c6db3f0e9d64e4c915653ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4415137475716480dfb80957285379f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bd07d67ddab9e1ca166d2f7dfb7160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2019-04-19更新
|
1658次组卷
|
7卷引用:上海市浦东新区2019届高三下学期期中教学质量检测(二模)数学试题
上海市浦东新区2019届高三下学期期中教学质量检测(二模)数学试题上海市第二中学2018-2019学年度高二下学期期末数学试题湖北省黄石市2022-2023学年高一上学期10月月考数学试题上海市七宝中学2022届高三下学期3月月考数学试题(已下线)专题8.3 临界知识问题 玩转压轴题-玩转压轴题,进军满分之2021高考数学选择题填空题上海市控江中学2022届高三下学期开学考试数学试题(已下线)专题05 二次函数(模拟练)
名校
7 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845eb393827041797b3415ac91382aba.png)
.对于
,定义
与
之间的距离为
.
(Ⅰ)
,写出所有
的
;
(Ⅱ)任取固定的元素
,计算集合
中元素个数;
(Ⅲ)设
,
中有
个元素,记
中所有不同元素间的距离的最小值为
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845eb393827041797b3415ac91382aba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855ce769f6795d1463744a0d74901fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c236bd65c8ba1ba101fb1ec85716b24e.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/a3ef95b29752ef5e5ce8716405f3cc8e.png)
(Ⅰ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b30f03f648be486662c0886d0c9d282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5753301dc94bed7fd1b98de2960f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(Ⅱ)任取固定的元素
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a505a9d31484a7e9d1c26a6be477c950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7c74dbed9e5de32945066dba008c8a.png)
(Ⅲ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2b280a6a65c9bf2f20cad5d1106080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071ac8657ef1c4e1ea7e0530196298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704338abbf72e7986367b7e709bf9019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a42f75c4b5d3a0c0f42f63f8e4bdf8.png)
您最近一年使用:0次
2019-04-03更新
|
595次组卷
|
2卷引用:【区级联考】北京延庆区2019届高三一模数学(理)试题
名校
8 . 定义在
上的函数
,
单调递增,
,若对任意
,存在
,使得
成立,则称
是
在
上的“追逐函数”.若
,则下列四个命题:①
是
在
上的“追逐函数”;②若
是
在
上的“追逐函数”,则
;③
是
在
上的“追逐函数”;④当
时,存在
,使得
是
在
上的“追逐函数”.其中正确命题的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fda2de9820af4dd6bbb59ab6ec54aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1597d5afa293403d63f074adb07cba9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208575de4f7422c995dd601c54d264d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264b93aa6b21f14144bf1f77be3831e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3211fdab46b25330ea846208975744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fda2de9820af4dd6bbb59ab6ec54aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078d5da73e5aa679bc163820b7b73f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6aaf4cbcc56a4a2e6372744c8060289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4af34d22101aa2ec7499fddd8f71e21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d191d6de821fbb06a51b5a20112db6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72300dd178edeb08d10ee8f2cbfe3f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8262f44365e9b3784d62c8350cb66f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fda2de9820af4dd6bbb59ab6ec54aaa.png)
A.①③ | B.②④ | C.①④ | D.②③ |
您最近一年使用:0次
2019-03-31更新
|
1500次组卷
|
6卷引用:甘肃省武威市武威第一中学2020年高三上学期11月月考数学(理)试题
9 . 已知非空集合
是由一些函数组成,满足如下性质:①对任意
,
均存在反函数
,且
;②对任意
,方程
均有解;③对任意
、
,若函数
为定义在
上的一次函数,则
.
(1)若
,
,均在集合
中,求证:函数
;
(2)若函数
(
)在集合
中,求实数
的取值范围;
(3)若集合
中的函数均为定义在
上的一次函数,求证:存在一个实数
,使得对一切
,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7de4de1315f460681d9da70dd8fc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbec485ab7b15f1e09f163fe990577c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd1f807dd5b1507c823ad8c1db55a6c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c8726575585ccd6e00c02033825374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e62e7482ee75b0768111a4df5f0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10c7b4247b574fc4b71d6e02ebf2d20.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e5552d315d2ea9b01d112dca830754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bc955d158efde0bdd62d14a60a65e3.png)
您最近一年使用:0次
2020-01-16更新
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774次组卷
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3卷引用:上海市大同中学2017-2018学年高三上学期10月月考数学试题
名校
10 . 若函数
在定义域内存在实数
,使得
成立,则称函数
有“飘移点”
.
Ⅰ
试判断函数
及函数
是否有“飘移点”并说明理由;
Ⅱ
若函数
有“飘移点”,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbf1211335bcbc0ebb05414669eda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6cbfb814f425ac7c7b89ed5ec63d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbf1211335bcbc0ebb05414669eda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17b65f69c3aad510f559a2e6e6c5d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df860dc69d2e0d4823a35e13ef9a73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71aaed7b26efe69d7451160dc274d78e.png)
您最近一年使用:0次
2019-02-14更新
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1144次组卷
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6卷引用:广东省珠海市第二中学2020-2021学年高一上学期12月月考数学试题