1 . 在
中,角
的对边分别为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e55bc15cf849551161c29e9c1cae77.png)
_______________
![](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/86cfb50f7bfec188d88c7d7efc9352e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e55bc15cf849551161c29e9c1cae77.png)
您最近一年使用:0次
2 . 在区间[0,2]上任取两个实数a,b,则函数f(x)=x3+ax-b在区间[-1,1]上有且只有一个零点的概率是___ .
您最近一年使用:0次
3 . 曲线
与直线
及
所围成的封闭图形的面积为___ .
![](https://img.xkw.com/dksih/QBM/2016/9/26/1573040779763712/1573040785096704/STEM/418b342c5cbd4c2781f1ea6f91221f14.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2016/9/26/1573040779763712/1573040785096704/STEM/ff9873fd32d548b39001c14998c59bbe.png?resizew=53)
![](https://img.xkw.com/dksih/QBM/2016/9/26/1573040779763712/1573040785096704/STEM/52c48b1444444d10a3ba738dbfe19f62.png?resizew=34)
您最近一年使用:0次
解题方法
4 . 已知三棱柱
的侧棱垂直于底面,各顶点都在同一球面上,若该棱柱的体积为
,
,
,则此球的表面积等于____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ad1a28641529bcdd32cd274b45ac92.png)
您最近一年使用:0次
2016-12-03更新
|
701次组卷
|
2卷引用:2017届内蒙古杭锦后旗奋斗中学高三上入学摸底数学理试卷