名校
解题方法
1 . 若非空实数集X中存在最大元素M和最小元素m,则记
.下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63cf0f3392d77db21347ed4e94812a6.png)
A.已知![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.已知![]() ![]() |
D.已知![]() ![]() |
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今日更新
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86次组卷
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3卷引用:上海市复旦大学附属中学2022届高三上学期9月月考数学试题
2 . 如图,已知椭圆
的方程为
,点
、
分别是椭圆
的左、右顶点,点
的坐标是
,过点
的动直线
交椭圆
于点
、
(点
的横坐标小于点
的横坐标).
焦点的坐标;
(2)是否存在常数
,使
为定值,若存在,求出
的值;若不存在,请说明理由.
(3)当设直线
的斜率不为
时,设直线
与
交于点
.请提出一个与点
有关的问题,并求解该问题.
(备注:本小题将根据提出问题的质量及其解答情况进行分层计分.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cfa2a6d9749a619edf80bad8b3e4962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45336b55d682027bdd4c2ce103287c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)当设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(备注:本小题将根据提出问题的质量及其解答情况进行分层计分.)
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解题方法
3 . “
”是“直线
与直线
互相垂直”的( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268db7dff2903d49215ecec052801ef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec09b1f07b0b264113b9f7125aaffe08.png)
A.充分非必要条件 | B.必要非充分条件 | C.充要条件 | D.既非充分也非必要条件 |
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4 . 设a、b是两条不同的直线,
是一个平面,若
且
,则a、b的位置关系是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea730233033e2fca0bce6a369a32582f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008d1d0cbb3e1b405df3e67350372d76.png)
A.相交 | B.平行 | C.异面 | D.不能确定 |
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解题方法
5 . 设数列
为等差数列,其公差为d,前n项和为
.
(1)已知
,
,求
及d;
(2)已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faadf597326b9a27c01013a3b9b5a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53572b203bf36a9461dc9a744367a4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618715534c33e403ba189272a5fbf478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3931e6266decbab4ab76b280f61bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eed39c7d611309b01476c15ab242308.png)
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解题方法
6 . 如图,已知正方体
的棱长为1,点
为棱
的中点,点
在正方形
内部(不含边界)运动,给出以下三个结论:
①存在点
满足
;
②存在点
满足
与平面
所成角的大小为
;
③存在点
满足
;
其中正确的个数是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
①存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba0a98a9ba64282ec2e728b5c8bf2e6.png)
②存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79039b211d151710a15fc9dda11d6225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc6128dc4ac8976672e033f336d947b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
③存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035da178acd379d26e906bc58994af83.png)
其中正确的个数是( ).
A.0 | B.1 | C.2 | D.3 |
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7 . 某篮球特色学校调查学生投篮技能情况,请每个学生投篮5次并记录进球数,随机抽取高一年级和高二年级各100名学生的进球数作为样本,结果统计如下(其中
,
);
(1)请写出高二年级样本的中位数;
(2)若高一年级样本的平均数为
,求
的值;
(3)在这200名学生中,高一高二年级各选取1人,若“至少有一个人的进球数为2”的概率是
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a7e34f15b46c51888ad96b233f0f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113df7bb1adce234649fff1059a43acc.png)
进球数 | 0 | 1 | 2 | 3 | 4 | 5 |
高一人数 | 4 | 2 | b | 42 | 12 | |
高二人数 | 3 | 1 | 12 | 44 | 33 | 7 |
(2)若高一年级样本的平均数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a510a47251f753b317e1a7495cd68a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在这200名学生中,高一高二年级各选取1人,若“至少有一个人的进球数为2”的概率是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d160cdddb2af58a563e64b981db973cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 如图,三棱柱
中,
,
,
垂直于平面
.
与
所成角的大小;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a60f5d069760bfe69f9cdc1b6e1e048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed533aff8b2616525a7483c3b24fdffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cee51552e3c12bc27cf8ab1777bf191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fc6cf34323f80b94fe2a9d0867d62e.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c880639a6164aa127cf38b63aebde50.png)
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9 . 已知实数
满足:①
;②存在实数
,使得
,
,
是等差数列,
,
,
也是等差数列.则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e633d15ed77937c15180d0593fabde03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7931c14dc4e055e3d0b709b9c080b6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a9723a0e94b16a6019a2494f103f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fc27f36003850ea40fb1d9cf18d462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebea760067502e24ddf3d1e541be36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
10 . 已知椭圆
:
的上顶点为
,离心率
,过点
的直线
与椭圆
交于
,
两点,直线
、
分别与
轴交于点
、
.
的方程;
(2)已知命题“对任意直线
,线段
的中点为定点”为真命题,求
的重心坐标;
(3)是否存在直线
,使得
?若存在,求出所有满足条件的直线
的方程;若不存在,请说明理由.(其中
、
分别表示
、
的面积)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347b68f42934c74e0d759a67613a1da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c7f93ae305d67cf31b751e768ae48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cf0417e0f751ebf41c74f65e87d096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)已知命题“对任意直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
(3)是否存在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92817ebb573f3d6549a6c546838c2e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd202795b7a02b784a4dd6eb00e483f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbff84327e964f912a54032e76ccc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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