1 . 已知
是等比数列,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb334e165679c6cb500c994cffa47147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff6de1ee895470114429ac01726f405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次
2 . 在四面体
中,M点在线段
上,且
,G是
的重心,已知
,
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe72d1b634f1e89d8699e605e7d46af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c2e7e9fd8519fd1c293cc577408263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40f8ef7e3af00c41f85a20578afdb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53a4722fb7b67eeb4145b491c456ff.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-28更新
|
225次组卷
|
3卷引用:湖北省荆门市2023-2024学年高二上学期1月期末学业水平检测数学试题
湖北省荆门市2023-2024学年高二上学期1月期末学业水平检测数学试题江苏省常州市联盟学校2023-2024学年高二下学期3月阶段调研数学试题(已下线)第七章 应用空间向量解立体几何问题拓展 专题一 空间向量基底法 微点4 空间向量基底法(四)【基础版】
名校
3 . 抛掷一枚质地均匀的骰子,记
“点数为
”,其中,
1,2,3,4,5,6,
“点数为奇数”,
“点数为偶数”,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6076491fdcd09614b5797ff6fdbc98b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b1e185d6a0ab350cdc947beeb82040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-02-28更新
|
341次组卷
|
2卷引用:湖北省荆州市八县市区2023-2024学年高二上学期1月期末联合考试数学试题
4 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee25224bc449779fb7a7fac783fa839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbea41e80a7187337e5a3e656dfa874.png)
A.2 | B.3 | C.![]() | D.5 |
您最近一年使用:0次
解题方法
5 . 已知
,则
的最小值为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a039b83b7784132b820a32c9894a2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4dd621c62acfe2dde785dd4240343f.png)
您最近一年使用:0次
6 . 下列函数图象与x轴均有交点,且已知其解析式,不能用二分法求图中函数零点的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 抛物线
的准线方程为
,那么抛物线
的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075e347ba421bb4db35ae2e9f3150b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb573fb6f6f37fd615e35c4073c2919.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知数列
满足
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a880bf7a484a137d8b57ed50821b78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9367309741defb57a546716b0c92a1be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2aa7fff6624fe98f76297656cb19dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.8 | B.9 | C.10 | D.11 |
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名校
解题方法
9 . 直线
经过点
,且倾斜角为直线
的倾斜角的一半,则l的方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a2b8b43e1fe82fc439d145e91b860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c48042e88209a28f891b29768bf3fb0.png)
您最近一年使用:0次
解题方法
10 . 函数
的定义域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341f04e0850e8967d85c84cfd575eafe.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次