名校
解题方法
1 . 设实数x、y、z、t满足不等式
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4129c6e34eaf3f67241506fa47b6170e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae1860698d3eec1e39f246d1607ac540.png)
您最近一年使用:0次
2 . 已知正四棱台的上下底边长分别为
,正四棱台体积为
,则此表面积为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8f2f2bcb8c77fb20b9d4f9f53255e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd442b32f40fe61def96c2fca0ad37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
您最近一年使用:0次
名校
解题方法
3 . 已知复数z与
都是纯虚数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da39d4bf5320c54e2cf2b0ac0dde0cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
您最近一年使用:0次
名校
解题方法
4 . 设随机变量
可能的取值为1,2,3,4,
,又
的数学期望为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8331019abb141f862ee3f64d237849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a834ba133848ef3bc0f9b1b2466caa64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
您最近一年使用:0次
5 .
的展开式的二项式系数的和等于64,则展开式中含有
项的系数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a04aba4cdeaf2ee5f19750ac60f27e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3336c8ed5361c10c37300e41e03f9f2f.png)
您最近一年使用:0次
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1756433c66dfecdc923053909302a56d.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c85c2e86f95eb42f793d86d435072b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1756433c66dfecdc923053909302a56d.png)
您最近一年使用:0次
名校
7 . 已知随机变量
的概率分布为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010924a0a60b9b270f82b8becc33a771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
解题方法
8 . 如图所示,三棱锥
中,平面
平面ABC,
,
,
,
,则三棱锥
外接球的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036de574712cad14bddadf6653c7e714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c24b7a9466a1e35328a8a4b1ba7fa84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
您最近一年使用:0次
名校
解题方法
9 . 在
中,E为AC上一点,
,P为BE上任一点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5be36b5f1d7847cea1537f4efb56e1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11680d693115593736d86af0100aef98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031e829d70137d772a2f7b98a2204e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5be36b5f1d7847cea1537f4efb56e1.png)
您最近一年使用:0次
名校
10 . 有一座六层高的商场,若每层所开灯的数量都是下面一层的两倍,一共开了1890盏,则底层所开灯的数量为______ 盏.
您最近一年使用:0次
7日内更新
|
200次组卷
|
3卷引用:广东省茂名市高州市2024届高三第一次模拟考试数学试题