名校
解题方法
1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a582a259cd60140610f861e6cf2821c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5249b047960b0340b07bb14004d15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a582a259cd60140610f861e6cf2821c.png)
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2 . 已知
,
. 若存在
,
,使得
成立,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1d897bf1170f96cac0c36823a512a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16db42a4c86f77e3262889bede7eea95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f9d255ca420fa2486b11fcb7763b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d7d25213045e645b6eb59fa7c7ec0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5665c5096027066a7d014dfc2cf148.png)
A.函数![]() ![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.若![]() ![]() |
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3 . 已知
满足
,且
的面积
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8a67ea8cd1eb60780e12c769069245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024bae8fe1437f7f99ee273b903236f9.png)
A.![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() ![]() |
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4 . 已知点
为坐标原点,椭圆
的左、右焦点分别为
,
,点
在椭圆上,设线段
的中点为
,且
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb4717d7fa6d522090c5e949f650bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cefc49124f218dbe3ea5ac712b231e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 定义:在平面直角坐标系中,设
,
,那么称
为P,Q两点的“曼哈顿距离”.
(1)若点
,求到点O的“曼哈顿距离”为1的点的轨迹;
(2)若点E是直线l:
上的动点,点F是圆C:
上的动点,求
的最小值;
(3)若点M是函数
图象上一动点,其中e是自然对数的底数.点
是平面中任意一点,
的最大值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea37e25ba5e11e5e2c428996f74e5a.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
(2)若点E是直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1a686b80b8f109a929f58c2de7201d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340e9eac0866ece3535f098929d2be4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fb5f15e33b3605da059678aa95ab81.png)
(3)若点M是函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4bab250a1cd23c58ec0211be1077ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6134983a8decef61d715c3eedb9f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d7224242ab75080dfb394a39ebf7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f795ec3610e5448ce6e7b55a72f667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f795ec3610e5448ce6e7b55a72f667.png)
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解题方法
6 . 数列
中,
,
.设
是函数
(
且
)的极值点.若
表示不超过x的最大整数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d349c15a74ebdcab653a47259d92fc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112908d38d4ff24a7fbe952206fbcb67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d349c15a74ebdcab653a47259d92fc.png)
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2卷引用:湖南省长沙市第一中学2024届高三下学期月考(八)数学试题
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7 . 设抛物线
的焦点为F,过点
的直线l与抛物线交于A,B两点,与y轴的负半轴交于C点,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58495200066a9b57cda429cd84fdc51.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6614916203fe0146d6797138da3db4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a8e65100239e2132262a07753e3a60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58495200066a9b57cda429cd84fdc51.png)
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787次组卷
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2卷引用:湖南省长沙市第一中学2024届高三下学期月考(八)数学试题
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8 . 已知椭圆C:
的离心率为
,点A,B分别为椭圆C的左、右顶点,D是直线
上的一动点.
与C交于点P(P在x轴的上方),过A作
的垂线交
的延长线于点E,当
取最大值时,点D的纵坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330918abdce072a32af4a7ce6c1e8571.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-15更新
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721次组卷
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2卷引用:湖南省长沙市第一中学2024届高三下学期月考(八)数学试题
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9 . 设
,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a525e811ffc32387348f431b04c32225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce243be426caee3afd136c7c47f3e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e69e7049ce6b415d94a9af6645fe0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb447eb4db1147639e4f8cb4f3772a3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-15更新
|
750次组卷
|
3卷引用:湖南省长沙市第一中学2024届高三下学期月考(八)数学试题
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10 . 学校计划于4月份其中一周的周一至周五这五天内组织高一、高二、高三年级的同学进行春季研学活动,每天只能有一个年级参加,其中高一年级需要连续两天,高二、高三年级各需要一天,则不同的安排方案有( )
A.18种 | B.24种 | C.30种 | D.32种 |
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2024-04-15更新
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924次组卷
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2卷引用:湖南省长沙市第一中学2024届高三下学期月考(八)数学试题