1 . 已知复数
满足:
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0daba5c0f6627dc4db41c333f634c027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
您最近一年使用:0次
2 . 已知函数
的定义域为
,满足
,且
,
,则下列说法正确的是( )
![](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/ac829d3069cf983b89b67c73544c8baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c8e3ef7a9e7091d5bab137b161aab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbe14806256317add612f6ecb5bb901.png)
A.![]() | B.![]() |
C.若![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
3 . 下面给出一个“三角形数阵”:
第2行的数由左至右依次为
依次类推,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4b9e475158c0c9eef9dd015342221c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5554805dd0f41c398f0805114a203908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.png)
您最近一年使用:0次
解题方法
4 . 下列函数中既是奇函数,又在
上单调递减的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知椭圆
的左、右焦点分别为
,
上一点
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8c827ec5ea152abcf11171591e175a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2593b8970f097e93edc25ccfdb65f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8c827ec5ea152abcf11171591e175a.png)
您最近一年使用:0次
解题方法
6 . 已知圆
,过圆
外一点
作两条夹角为
的直线分别与圆
相交,当所得的弦长均为2时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cec43d845dc093eb1f6aed747efc947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754938f5220f7e63b615ca21ddb9ead1.png)
A.2 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知向量
与
满足
,
,
,则向量
与
的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcad49be70d78e1e475d77c9d64d617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf508c8d34aab12dae46e1d05fcd7f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d9559eb2a9e2a590a15bdc8d52107a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-11更新
|
1185次组卷
|
2卷引用:山西省天一名校2023-2024学年高三下学期联考仿真模拟(二模)数学试题
名校
解题方法
8 . 在
中,角
的对边分别为
,已知
.
;
(2)若
,在边
上(不含端点)存在点
,使得
,求
的取值范围.
![](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/1e908f9429a24e8e315bd7d18672e1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aae1dc870a60a2070469d556deb472.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a7a18e5ec53f4a08889d4ee78f4e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-05-08更新
|
432次组卷
|
2卷引用:山西省晋中市2024届高三下学期5月高考适应训练考试数学试卷
名校
9 . 已知集合
,
,若
中有2个元素,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d3f850a5f7881d307e420e61e3a9d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8314ee6804c6cc14250a90dbf52d3807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
1952次组卷
|
8卷引用:山西省晋城市2024届高三第三次模拟考试数学试题
名校
解题方法
10 . 已知数列
的前n项和为
,且
.
(1)求
的通项公式;
(2)若数列
满足
,求
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978f6931ac6851b02394d313b3f793e2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6648094ecc7f10ca535dee3fd090cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd85b79372dc6e596d465f738c3c300.png)
您最近一年使用:0次
2024-05-08更新
|
3233次组卷
|
11卷引用:山西省晋城市2024届高三第三次模拟考试数学试题
山西省晋城市2024届高三第三次模拟考试数学试题河北省保定市九校2024届高三下学期二模数学试题浙江省强基联盟2024届高三下学期5月全国“优创名校”联考数学试题辽宁省抚顺市六校协作体2024届高三下学期5月模拟考试数学试卷湖南省长沙市长郡中学2024届高三下学期模拟(三)数学试题广西南宁市第三中学2024届高三下学期校二模数学试题广东省湛江市第二十一中学2024届高三高考冲刺数学试题广东省广州市广东实验中学2024届高三教学情况测试(一)(已下线)易错点6 求数列通项时遗漏对首项的验证江苏省盐城中学2023-2024学年高二下学期5月阶段性质量检测数学试题广东省中山市中山纪念中学2023-2024学年高二下学期第二次月考数学试卷