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解题方法
1 . 已知双曲线
:
和双曲线
:
有共同的渐近线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0cd198f423d1a7d6b9a7999c18ee.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760a793ad8dadeba59aef81106e95288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2085af2326d0e13a12d3db8dbb79f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0cd198f423d1a7d6b9a7999c18ee.png)
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2 . 在
的展开式中,常数项为______ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7ce64e278c38b04a1a0f88738e7691.png)
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3 . 已知数列
满足:
,当
时,记
,
. 给出如下4个结论:
①
;
②当
,数列
是递增数列;
③当
时,存在正数
使得
;
④集合
.
其中正确命题的序号是_____________________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137b6d631154f8168c24392b1ac7877b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e8f0be7c95da25ea43651ccd1be9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2132d3e34d67f365a2ca865f06e4cad5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690af67e931cb1ede3b8621381533381.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfe735337dbdc8d03ffd256dcf0d745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bccd1cd197fe11142eff07cce9244c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a74f1527e334b30f6c447a67945ef3d5.png)
④集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5560778cd081af25e0c8d0223d2f3e07.png)
其中正确命题的序号是
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4 . 已知向量
,且
与
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d977292944de2dd8eff7121deed2c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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5 . 已知等差数列
满足:
,且前10项的和
,则
的所有可能值共有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1106aeece0325310020e0ef38f3ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee9a3f1307b8ff781f690daf1b8a4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
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6 . 复数
满足
,则复数
的实部为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd44a7b3283532877ba821477d540433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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7 . 如图,在长方体
中,
,动点
分别在线段
和
上.给出下列四个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/8a908862-212f-465a-90d5-c8f998da91ec.png?resizew=160)
①四面体
的体积为
;
②
可能是等边三角形;
③当
时,
;
④有且仅有两组
,使得三棱锥
的四个面均为直角三角形.
其中所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbff493a22d755c6b473513e2e39ecc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/8a908862-212f-465a-90d5-c8f998da91ec.png?resizew=160)
①四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a126cb68f3881b924d6c728811082e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f592a27e950b06ca0f39b1b30df513.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19fbe4c23e34981ee34afffcac2ea586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ec2be036793d17227f6275009332a6.png)
④有且仅有两组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7b9d439771d35f8ff433223b6f5785.png)
其中所有正确结论的序号是
您最近一年使用:0次
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8 . 已知函数
,若
,且函数
的部分图象如图所示,则
等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffd082d7fd097092d59b2ae4fde852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e367ede6245708102dbddd3398d614e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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9 . 一艘轮船在江中向正东方向航行,在点
处观测到灯塔
在一直线上,并与航线成
角.轮船沿航线前进1000米到达
处,此时观测到灯塔
在北偏西
方向,灯塔
在北偏东
方向.则此时轮船到灯塔
之间的距离
为______ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c030b25575d683af91c06e6a3e4f463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
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2024-02-27更新
|
570次组卷
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2卷引用:北京市海淀区首都师范大学附属中学2023-2024学年高三下学期开学练习数学试题
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10 . 某直播间从参与购物的人群中随机选出200人,并将这200人按年龄分组,得到的频率分布直方图如图所示,则在这200人中年龄在
的人数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ ,直方图中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1518f7303c68bd06a664df4716346765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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|
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北京市海淀区首都师范大学附属中学2023-2024学年高三下学期开学练习数学试题(已下线)第02讲 用样本估计总体-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)9.2.1?总体取值规律的估计——随堂检测(已下线)专题02 用样本估计总体-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)9.2.1总体取值规律的估计(第1课时)(分层练习)-【上好课】(人教A版2019必修第二册)(已下线)专题05 第九章 统计-期末考点大串讲(人教A版2019必修第二册)