名校
解题方法
1 . 已知函数
的定义域为
,其图象关于
中心对称,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc9d826949bb13a9f06b83bf0b412bc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
吉林省白山市2024届高三第二次模拟考试数学试题(已下线)2.2 函数的基本性质(高考真题素材库之十年高考真题)江西省2024届高三下学期二轮复习阶段性检测数学试题(已下线)专题1 巧用性质 对称求和【练】(已下线)模型1 抽象函数与函数性质的综合模型(高中数学模型大归纳)
名校
解题方法
2 . 如图所示,一种儿童储蓄罐有6个密码格,由购买者设定密码后方可使用,其中密码的数字只能在
中进行选择,且每个密码格都必须设定数字,则数字“1”出现奇数次的不同密码个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/72fad535-da33-4737-a743-cb89d7e9e74c.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78028ad5b1c637849dd5f6432bdde55f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/72fad535-da33-4737-a743-cb89d7e9e74c.png?resizew=158)
A.172 | B.204 | C.352 | D.364 |
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
名校
解题方法
3 . 记等差数列
的前
项和为
,若
,
,则
的公差为( )
![](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/9d51c9b405d64b2e0cfb79bedab7c04e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0939caf47d751f8c7139bd0b25fe98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.5 | B.6 | C.7 | D.8 |
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
名校
解题方法
4 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e338982ac22f4f41216921c7bb7e1a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd223222a4a53ae2a67e6e42b8712951.png)
A.![]() | B.7 | C.![]() | D.![]() |
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
名校
5 . 如图在四棱锥
中,
为菱形
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/efe1690a-91ca-41fd-b937-31d57e305811.png?resizew=188)
(1)证明:
;
(2)若
,求平面
与平面
所成二面角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c82aec3170cef0256606cd30777bf23.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/efe1690a-91ca-41fd-b937-31d57e305811.png?resizew=188)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30756629afca7574faabc4e75b606a60.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eceb8a2401e063df91b7ff9cda8f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21665d21bbfb04410c78345de1fd15ae.png)
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
名校
解题方法
6 . 已知点
是椭圆
上关于原点对称的两个点,点
是椭圆
上异于
,
的一点,且以
为直径的圆过点
,点
在
轴上,且
三点共线,
为坐标原点,若
成等比数列,则椭圆
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590ca2ef4214577b4a0ee9263754c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a8ba1b06092f76ed41770b756d2141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
名校
解题方法
7 . 现有两组数据,
组:
组:
.先从
组数据中任取3个,构成数组
,再从
组数据中任取3个,构成数组
,两组抽取的结果互不影响.
(1)求数组
的数据之和不大于8且数组
的数据之和大于8的概率;
(2)记
,其中
表示数组
中最小的数,
表示数组
中最大的数,求
的分布列以及数学期望
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e917562ac260254dc6b7f7822f487f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5969a26e4b3c149f694f857c655b08be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739684866f4fd7603a0cd322855437db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9114ab74cce6ba370d26f7a2a5ea135.png)
(1)求数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739684866f4fd7603a0cd322855437db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9114ab74cce6ba370d26f7a2a5ea135.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6243c84d7d82ad8bd09e7779d7ede93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba8f41be8f66d92900d2d2ec6f33453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739684866f4fd7603a0cd322855437db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bed19e093b099371cdaa6af6a0206ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9114ab74cce6ba370d26f7a2a5ea135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf3baba074e8aeb6f3ea117865bbd1b.png)
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
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解题方法
8 . 已知
中,角
所对的边分别为
,其中
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ ;若
,则当
的面积取得最大值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858850da3c7cf2285208d36cfc110036.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d1c83708e5366f65709b9794645841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5428428c5440d4e247031f8edfed2061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858850da3c7cf2285208d36cfc110036.png)
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
名校
解题方法
9 . 已知集合
,若
,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb3731774f379750b10ddb95c2b8221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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10 . 阿基米德三角形由伟大的古希腊数学家阿基米德提出,有着很多重要的应用,如在化学中作为一种稳定的几何构型,在平面设计中用于装饰灯等.在圆倠曲线中,称圆锥曲线的弦与过弦的端点的两条切线所围成的三角形叫做阿基米德三角形.已知抛物线
的焦点为
,顶点为
,斜率为
的直线
过点
且与抛物线
交于
两点,若
为阿基米德三角形,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74518fed7a017a94f2b77a50148cf12c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题