1 . 数学家泰勒给出如下公式:
,
,
这些公式被编入计算工具,计算工具计算足够多的项就可以确保显示值的精确性.若根据以上公式估算
的值,则以下数值中最精确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc9e1f1c8fdfa0395c4ba1a08d1f1a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a456ea92bfb3ce171144e8ae5cb2663.png)
这些公式被编入计算工具,计算工具计算足够多的项就可以确保显示值的精确性.若根据以上公式估算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c0e54bd4b3293658a6a666625bfb5d.png)
A.0.952 | B.0.994 | C.0.995 | D.0.996 |
您最近一年使用:0次
2 . 等比数列
中,
,
,记
为
的前n项和,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d06fdfcb98f8666f57959bd0b809ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3299d1d394efc1381671b1632e6e87e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
解题方法
3 . 已知圆的内接四边形
中,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3a771c5a24180b7d5c5db0f5179079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c9c9357f6e618f149423a945a68ddf.png)
A.-3 | B.![]() | C.![]() | D.3 |
您最近一年使用:0次
4 . 已知复数
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839ba7c0f1fc30151d18a2e337951dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b1dfed132bb38878bcf3609eb08361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d7c1ea926aecda28b226961e06299f.png)
A.![]() | B.2 | C.-2 | D.![]() |
您最近一年使用:0次
解题方法
5 . 设双曲线E的中心为O,一个焦点为F,过F作E的两条渐近线的垂线,垂足分别为A、
.若
,则E的离心率等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918004dd5f71a151314ff952f67e2211.png)
A.![]() | B.![]() | C.![]() | D.3 |
您最近一年使用:0次
6 . 已知集合
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffb72ec059fb59242dd4a6b71ef418b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6467a43f0c67f468ada2a206190faef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1329849d66eda4d866c323eb90d896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
A.-3 | B.-1 | C.1 | D.3 |
您最近一年使用:0次
解题方法
7 . 甲、乙、丙、丁四位同学报名参加4项不同的趣味运动项目,每人只能报一项,则在乙、丙、丁三位同学所报项目与甲同学所报项目不同的条件下,四位同学所报项目各不相同的概率等于( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知
,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b40b1544e62be8b9e9f4dc9f2c0c74.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 .
内角
,
,
的对边分别为
,
,
,若
,
,则
的面积为_____________ .
![](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/e182f183fc39883cf30bd91a7858fa87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09d3176074ac8b37cccdea181f1dffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
7日内更新
|
231次组卷
|
2卷引用:福建省漳州市龙文区2024届高三6月模拟预测数学试题
10 . 已知复数
满足
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a491320664d2f5bab356117541b83347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b294e4fbf4ac4b994cf5ea67a1c698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061b878f4e056cf5be4ae842694e2f07.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
163次组卷
|
2卷引用:福建省漳州市龙文区2024届高三6月模拟预测数学试题