名校
1 . 从两名同学中挑出一名代表班级参加射击比赛,根据以往的成绩记录,甲、乙两名同学击中目标靶的环数
和
的分布列如下表一和下表二所示;
表一
表二
概率分布条形图如下图三和图四所示:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
表一
6 | 7 | 8 | 9 | 10 | |
0.07 | 0.22 | 0.38 | 0.30 | 0.03 |
6 | 7 | 8 | 9 | 10 | |
0.09 | 0.24 | 0.32 | 0.28 | 0.07 |
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 .
的展开式中第四项的系数为540,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8baf211762f0f99c8446d805752a9113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbce6d654dd35a89cdc914c545d366.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-11更新
|
372次组卷
|
2卷引用:湖南省永州市2024届高三第三次模拟考试数学试题
名校
3 . 已知集合
,集合
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9417cedaddfa98c7a0737ea7f10ed62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfdd3d1f0dd2aa9ec90486ca0efe96ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.0 | C.1 | D.2 |
您最近一年使用:0次
2024-06-11更新
|
392次组卷
|
2卷引用:湖南省长沙市浏阳市第一中学2024届高三下学期6月适应性考试数学试卷
名校
4 . 已知复数
满足
,若
在复平面内对应的点不在第一象限,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d61bba139d72a0159833fed9d17258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
您最近一年使用:0次
2024-06-11更新
|
191次组卷
|
2卷引用:湖南省岳阳市第一中学2024届高三下学期高考适应性考试数学试题
名校
解题方法
5 . 已知
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b91735c1a4b932faf4a7e4847192da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289b949d801dfa9cce6cf74fe1a77e6a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-11更新
|
791次组卷
|
2卷引用:湖南省岳阳市第一中学2024届高三下学期高考适应性考试数学试题
名校
6 . 已知非零数列
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ed6d6b9f33bdfd6b74bb450334643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc677e9def14b7931d3d11738542704.png)
A.8 | B.16 | C.32 | D.64 |
您最近一年使用:0次
2024-06-11更新
|
671次组卷
|
3卷引用:湖南省永州市2024届高三第三次模拟考试数学试题
7 . 孤峰塔坐落在与常德城隔江相望的德山孤峰岭.初名“文峰塔”,与北岸笔架城遥相映衬,象征常德人杰地灵,文运昌盛. 常德立德中学高一学生为了测量塔高
,选取与塔底
在同一水平面内的两个测量基点
与
.现测量得
米,在点
处测得塔顶
的仰角分别为
,则孤峰塔高
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cf69bce63ca7443fa9b1bda5d2270f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0839d25d8d35afb2b46e4fea457ff9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 在锐角
中,角
,
,
的对边分别是
,
,
.已知
,
,
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f002f960ec07ea229ed243e2d991d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 在复平面内,复数
的共轭复数对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9f8794cb2775c39e5c1deda503a83c.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
2024-06-11更新
|
194次组卷
|
2卷引用:湖南省湘楚名校2023-2024学年高一下学期5月联考数学试题
名校
解题方法
10 . 在
中,角
的对边分别为
已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8c4702389edb63ed7684c77e1e42d7.png)
(1)求角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)过
作
,交线段
于D,且
,求角
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b378a2df371f5ff1815c03a84f571229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c243d4b46168b6c1f6c8185ab1889f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8c4702389edb63ed7684c77e1e42d7.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd91c7d3b33e64035a647b4164ac2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e01f67436acdc3de8899395a075df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次