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1 .
的展开式中,
的系数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0369e1107f222236fbdcc0f3229ac56a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3336c8ed5361c10c37300e41e03f9f2f.png)
A.![]() | B.7 | C.8 | D.12 |
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解题方法
2 . 若函数
在
上单调递增,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a87357c224ff696b29a088bce77abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a652802ae23fb37d9287429be8572632.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 设随机变量
的分布列为
,
,则
的数学期望
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51da138ce4eb00c18207a1b8a2987625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79059a3366ed1b339ba1317ce8a1e7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d1c0b6e972c8a5bfe59802d1552ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29929d34d43a19dd869ed91bf550d685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d419c30ff40e9b368a3f151f639dac8f.png)
A.![]() | B.4 | C.![]() | D.9 |
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解题方法
5 . 某电视台计划在五一期间某段时间连续播放5个广告,其中2个不同的商业广告和3个不同的公益广告,要求第一个必须是公益广告,且商业广告不能连续播放,则不同的播放方式有( )种.
A.144 | B.72 | C.64 | D.36 |
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昨日更新
|
192次组卷
|
2卷引用:江苏省南京市金陵中学2023-2024学年高二下学期期中考试试卷
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6 . 已知定义在
上的函数
满足
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08bf0e426e0d6f14ff67f756ee2cdda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cab5b63136e3f15ed46c1aa1e079e36.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 在
中,内角
,
,
所对的边分别为
,
,
,已知
,
,
,则角
等于( )
![](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/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e29b822cda1ba926e96368094fa1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 计算:
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c829ec8eab1ee156a4f3fe2f703d805f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bd3ffa5281f3b918abf72233d8cfc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d1f5b967060a35fcf72115c56759810.png)
A.54 | B.55 | C.164 | D.165 |
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解题方法
10 . 在空间四边形
中,
分别为
的中点,
分别为
上的点,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4b833fb7dd03c34ac40c664cd8483d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df7fc746f8c4801d8f2f0471ba3297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4e25d41c9d81b8866418f577118ddf.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次