名校
1 . 已知集合
,
,
,则A中元素个数为( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b942b5f0b2f720068469d14f0d6f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99d0973252300a11cd4d81681a36b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c578cbd3a50224a52e8d441808e77b.png)
A.1 | B.2 | C.3 | D.4 |
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2 . 正项数列
的前n项和为
,
,则
( )其中
表示不超过x的最大整数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900f88d57c8799d3694a7ce6c1ccfcf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c65da53813e3fa71bac506068882813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fab6009ffb15a88bd843a1c2b8d7770.png)
A.18 | B.17 | C.19 | D.20 |
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2022-04-08更新
|
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|
5卷引用:新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题
新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题四川省宜宾市第四中学校2023-2024学年高二上学期期末数学试题(已下线)专题06 数列在高考中的考法(难点,十一大题型+过关检测专训)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)(已下线)4.1 等差数列(第1课时)(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)【讲】专题2 构造数列问题
名校
解题方法
3 . 在平面直角坐标系中,点
、
分别为双曲线
的左、右焦点,双曲线
的离心率为2,点
在双曲线
上.不在x轴上的动点P与动点Q关于原点O对称,且四边形
的周长为
.
(1)求动点P的轨迹方程;
(2)
,直线l:
与x轴交于点B,过点B的直线与P的轨迹交于M、N两点,直线AM、AN与直线l交于S、T,求
的值.
![](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/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7e3739bbfda13bc1da8c731adf7bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bb9c075a320b0fe23145061b1fb0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求动点P的轨迹方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782496ebec2a86153b52ab4d580ad859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cebe21dd304f821702b2eb6b38c00170.png)
您最近一年使用:0次
2022-04-08更新
|
442次组卷
|
2卷引用:新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题
名校
4 . 如图,三棱柱
中,
,
,
.
;
(2)若平面
⊥平面
,
,动点P在线段
上,且
的正弦值为
,求
与
成角余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d89ba4036a5d18ec4abed44d7fd8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baa3d0db9ad31d33c2883a6efed1dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29e8a1eefb6776168969a1155c9e9c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba985fb50a9078a839b66bf1d1eadea9.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908fad3dc6fe1b0675c870328f043ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f776a27765b22790d41eb7b1c79b296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-04-08更新
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2卷引用:新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题
名校
解题方法
5 . 已知随机变量Z服从正态分布
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac69920832248ee950546cbad436509.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39304e26892d28bb5faf5662b108a99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cccd580eee00f80fe6b44826ebc70f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac69920832248ee950546cbad436509.png)
您最近一年使用:0次
2022-04-08更新
|
539次组卷
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3卷引用:新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题
名校
解题方法
6 . 等差数列
的公差为2,前n项和为
,若
,
,
构成等比数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
您最近一年使用:0次
7 . 边长为1的正方形ABCD,E为CD的中点,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45134b512d4c6c4e30acb3986921c02.png)
A.![]() | B.1 | C.2 | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知
的展开式中
的系数为20,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111f7619ac8d7cf591f3f0ac341e877b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.4 | B.3 | C.2 | D.1 |
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2022-04-08更新
|
635次组卷
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2卷引用:新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题
名校
9 .
,
,
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beddf22f2f5d24aefbd4a153ed41f8b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0786e917f8309f0bf30ab15b88c6642b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27342ae9a7374c1596e1e8220392d4a2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 设复数z满足
,则z在复平面内对应的点在第几象限.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d4de1cd9dc73488faef732ee795ff1.png)
A.一 | B.二 | C.三 | D.四 |
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|
428次组卷
|
2卷引用:新疆石河子市第一中学2022届高三3月第一周模拟数学(理)试题