2024·全国·模拟预测
名校
解题方法
1 . 已知
,
,
,
,
,
,记
.当
,
,
,
,中含
个6时,所有
不同值的个数记为
.下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0588c80fa0ee2598f12eb7725c2e406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ac49ab7c8001c209b8611b9ea40d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d058ad62654d3eb8296dab77d2350291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94adca5d298d02763dce69b0a455f12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8b673c3ccb0226e8b1f0898cf1a889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc730c65d0e335cbb1fb4e81de5f3ea.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.对于任意奇数![]() |
D.对于任意整数![]() |
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2024-01-14更新
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5卷引用:吉林省长春市第二实验中学2023-2024学年高二下学期开学测试数学试题
吉林省长春市第二实验中学2023-2024学年高二下学期开学测试数学试题(已下线)2024南通名师高考原创卷(十)江西省上饶市私立新知学校2023-2024学年高二上学期期末数学试题(已下线)专题01 两个计数原理与排列组合(7类压轴题型)-【常考压轴题】2023-2024学年高二数学压轴题攻略(人教A版2019选择性必修第三册)(已下线)压轴题08计数原理、二项式定理、概率统计压轴题6题型汇总
名校
解题方法
2 . 已知
为椭圆
上一点,且点
在第一象限,过点
且与椭圆
相切的直线为
.
(1)若
的斜率为
,直线
的斜率为
,证明:
为定值,并求出该定值;
(2)如图,
分别是椭圆
的过原点的弦,过
四点分别作椭圆
的切线,四条切线围成四边形
,若
,求四边形
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/9/939c32a5-07f9-4376-84e1-b08c348677b0.png?resizew=189)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023037c7a3e31ba698c39f9b52db2515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cea81bc1cee6c4a46fc85153c5c521.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e03b3b5bff1f6937e6234bf5168fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4457a029cd930f0052f1c80cfe06d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59b417f34e0fe4cd42b3b93105204e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2023-07-07更新
|
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3卷引用:吉林省长春市朝阳区吉大附中实验学校2024届高三下学期开学考试数学试题