1 . 已知
是关于
的实系数方程
的两个虚根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857b75e47987bdbb91104c01a164ad00.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ce5f1be547bd7e6852875d3aa4ad77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857b75e47987bdbb91104c01a164ad00.png)
您最近一年使用:0次
2024-06-08更新
|
323次组卷
|
2卷引用:河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题
2 . 在平行四边形
中,
,
,用
,
表示向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89791b8d677a17b179d6f265b84fcce.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184359fe3cadc363cf4ebe586c2b3db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc3c7d64ba3f82cb0853d6f674a1f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89791b8d677a17b179d6f265b84fcce.png)
您最近一年使用:0次
3 . 某地需要经过一座山两侧的
两点修建一条穿山隧道.工程人员先选取直线
上的三点
,在隧道
正上方的山顶
处测得
处的俯角为
,
处的俯角为
,
处的俯角为
,且测得
,
,
,则拟修建的隧道
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8686e04d2e83eeec0f278419caa535c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371ed1dc33ec2969f20cb0ff1d652237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe34607b65d5071186acd395f176eab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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解题方法
4 . 已知复数
,
,并且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b710ef8c39d3ba74e032a8b7859184.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade65f4eaf30887ba87b0310700fb64a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d88fb1d50ed3bb45a8d62180196da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de59a6da1ee210ccf04651ae53275dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b710ef8c39d3ba74e032a8b7859184.png)
您最近一年使用:0次
名校
解题方法
5 . 已知矩形
,
,
,沿
将
折起成
.若点
在平面
上的射影落在
内部,则四面体
的体积取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea25ef38e4afa8f75ffd0842890289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc84671fd0f27587260cdbcc31e6d483.png)
您最近一年使用:0次
名校
6 . 已知点
,则
在
方向上的投影向量为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34312b94e627ed4e3a846a2393d4132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4781e3daa2c4e018ca0ae09bb56abc0f.png)
您最近一年使用:0次
7 . 在复数范围内,方程
的一个解为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fdfb84247dffc8fcc6678d34e00dd2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8646eaa05bfde39d27813c301a076420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fdfb84247dffc8fcc6678d34e00dd2.png)
您最近一年使用:0次
名校
8 . 一个长方形容器
中盛有水,侧面
为正方形,且
.如图,当面
水平放置时,水面的高度恰好为
,那么将面
水平放置时,水面的高度等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3a07bc0766cf72e8770623027ed85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba125bbba165f4b1c15b651f5926267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2024-05-06更新
|
336次组卷
|
3卷引用:河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题
河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题陕西省西安市高新第一中学2023-2024学年高一下学期期中考试数学试题(已下线)6.6.1-2 柱、锥、台的表面积和体积-同步精品课堂(北师大版2019必修第二册)
9 . 在
中,角
,
,
的对边分别为
,
,
,若
为钝角,
,
,点
是
的重心,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67f1669396e53aea86c24d19edb6701b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cab772241b7ed814073818bee03719f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2024-05-04更新
|
230次组卷
|
2卷引用:河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题
名校
解题方法
10 . 已知一个正四棱锥的底面边长为1,高为
,则该正四棱锥的表面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次
2024-04-26更新
|
1137次组卷
|
4卷引用:河南省郑州市中牟县第一高级中学2023-2024学年高一下学期5月月考数学试题
河南省郑州市中牟县第一高级中学2023-2024学年高一下学期5月月考数学试题河南省新乡市多校2023-2024学年高一下学期4月期中联考数学试题(已下线)6.6.1-2 柱、锥、台的表面积和体积-同步精品课堂(北师大版2019必修第二册)江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷