名校
1 . “
,且
”是“
,且
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabccefb53769e520c114fce766b3a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea134f599285e3d32d2ab3e7186990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002ad1638f25e355d70d5ab63e637f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbea4ca0ff380f26dfe064a4f1921504.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-06-12更新
|
1269次组卷
|
5卷引用:2024届山东省聊城市高三三模数学试题
名校
解题方法
2 . 设
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a433074f4ce01d750ecab3825e8d75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-08更新
|
1104次组卷
|
3卷引用:2024届山东省聊城市高三三模数学试题
名校
3 . 如图,在正三棱柱
中,
,点
分别是棱
,
的中点,点
满足
,其中
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/18/e3be7da2-7c25-416c-b494-8bdc428bb5d4.png?resizew=129)
(1)当
时,求证:
∥平面
;
(2)当
时,是否存在点
使得平面
与平面
的夹角的余弦值是
?若存在,指出点
的位置,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f21c7c194c5bc2986a21fd441c81495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927456b0989846a2f1573844bbaa2105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4885cf9af62851cffec98204b238193a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473b7977c33d8eab97bc08361ee03256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a100b95041aa56e3b79d96dfdb5a27ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/18/e3be7da2-7c25-416c-b494-8bdc428bb5d4.png?resizew=129)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3e3a793d8df4deb46f456cda72b4c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8035fc825a001d7d9a3dacd8271662.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df5935c893580c77ab6fa6eb0a70bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8035fc825a001d7d9a3dacd8271662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83303d3784492506fc44f2b4d6b07bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2024-06-04更新
|
598次组卷
|
2卷引用:2024届山东省聊城市高三三模数学试题
4 . 两本相同的图画书和两本不同的音乐书全部分给三个小朋友,每人至少一本,且两本图画书不分给同一个小朋友,则不同的分法共有______ 种.
您最近一年使用:0次
解题方法
5 . 已知圆
与两坐标轴及直线
都相切,且圆心在第二象限,则圆
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 在
中,内角
的对边分别为
,且
.
(1)求
;
(2)若
在边
上,且
,求
的周长.
![](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/b29ab8c679a3a0fb88833a1460c4f13b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1ba0c497b3f9a9214c399ad814b93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-05-25更新
|
1462次组卷
|
3卷引用:2024届山东省聊城市高三三模数学试题
7 . 设方程
的两根
在复平面内对应的点分别是
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a784eb43db84658bb6f205401f5c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6867a7873e4818c12074206da32f0ed4.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 在美国重压之下,中国芯片异军突起,当前我们国家生产的最小芯片制程是7纳米.某芯片生产公司生产的芯片的优秀率为0.8,现从生产流水线上随机抽取5件,其中优秀产品的件数为
.另一随机变量
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a840ce73f3b56109ce5825740b08d59.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9f1c1f1ce011ab3f8f6dbe6b37af4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b8cbcd83ef44279476dd2b871140bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1a4786c957617bda2addb08fd23d4e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 设函数
的图象与函数
的图象关于
轴对称,将
的图象向右平移
个单位长度后得到函数
的图象,则函数
的图象与
的图象的所有交点的横坐标之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caedae9c2857150db4b4e04923256013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65bd963b750b4223c3dc9e6c60739d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
A.8 | B.6 | C.4 | D.2 |
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