名校
解题方法
1 . 已知
展开式的中间项系数为20,则由曲线
和
围成的封闭图形的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8a382c63693607e7e45ad75f6ec84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b87e78256e9afeb56ef82106e9d895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3f86cd7afe812f3d8e131bee1e315.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
名校
2 . 如图,函数
的图象与
轴围成一个山峰形状的图形,设该图形夹在两条直线
,
之间的部分的面积为
,若当
时,
取得最大值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5651471b707e137d295cce885093ced.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e37c0a9b9e4312c7229957d14dbc9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd692bd4ff8cfdd2a6bc173576982592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf37898700f118daeac10fe61b10c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82120861c1c4f7cc1a7a3f169f082a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf37898700f118daeac10fe61b10c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5651471b707e137d295cce885093ced.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/06fe6038-57bc-4b0c-87a1-cc238d7e2c3b.png?resizew=164)
您最近一年使用:0次
2018-10-29更新
|
671次组卷
|
3卷引用:2018届湖北省十堰市高三上学期1月调研考试数学(理)试题
3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9a29be208e2f531f22484181a2e9af.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13c4b4c70932cad0afcf19aeb78f0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9a29be208e2f531f22484181a2e9af.png)
您最近一年使用:0次
解题方法
4 . 在区间
上随机地取两个数
,则事件“
”发生的概率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a756aa1b20910c6d8f7cb39f8e5d1d6a.png)
您最近一年使用:0次
2017-04-11更新
|
363次组卷
|
4卷引用:湖北武汉市蔡甸区汉阳一中2017届高三第三次模拟考试数学(理)试题