解题方法
1 . 某校选派一支代表队参加市里的辩论比赛,现有“初心”“使命”两支预备队.选“初心”队的概率为
,且“初心”队获胜的概率为
;选“使命”队的概率为
,且“使命”队获胜的概率为获胜的概率为
,则该校在比赛中获胜的条件下,选“使命”队参加比赛的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 在平面四边形
中,
,
,
,
,则四边形
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4f318fd596282e1d965ab29bbf362f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59281d3136f2c67c078d98842171224d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2024-06-03更新
|
1351次组卷
|
3卷引用:广西南宁市第三中学2023-2024学年高一下学期月考(三)数学试题
3 . 已知函数
.
(1)求函数
的最小正周期和对称轴方程;
(2)若函数
在
上有2个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924c64a597302fb73dc44109fdc88de3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c053fa2da356f77df641d07c32b975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb617f10398c8c7d7df67e5ad0572094.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知函数
,
,如图为函数
的图象,则
可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef860ba93ee46fc92bfc7a34899656a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238423fdaa5c7fb415a832c18ed8d31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-06-03更新
|
340次组卷
|
2卷引用:2024届广西普通高等学校招生押题卷(一)数学试题
5 . 如图,
平面
,
∥
,
,
,点
是
的中点,连接
.
∥平面
;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354c20e085fe1a99a8be03bd1d16b2f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bea52ad6771c9a15dc74a027b258ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
您最近一年使用:0次
2024-06-02更新
|
895次组卷
|
2卷引用:广西河池市2024届普通高中毕业班适应性模拟测试数学试题
6 . 已知双曲线
的虚轴长为4,C的一条渐近线与曲线
在
处的切线垂直,M,N为C上不同两点,且以MN为直径的圆经过坐标原点O,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2105999d86d0256b5fb90f814b305f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9444dc753b82bcc92bc9de494a9d7547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c67633edc332efdbd4ceaf9e6244f.png)
A.![]() | B.4 | C.![]() | D.2 |
您最近一年使用:0次
名校
7 . 已知函数
,且
,求:
(1)
的值;
(2)曲线
在点
处的切线方程;
(3)函数
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4491abe20ea1e306605b09f17bcbb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d384e50e0ec20bf2c2a691854bc3a5c3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
您最近一年使用:0次
2024-06-01更新
|
619次组卷
|
3卷引用:广西五校2023-2024学年高二下学期5月联考数学试题
8 . 在
中,“
”是“
为等腰三角形”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59cfde25878aba897cadb1806f4b394c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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
解题方法
9 . 已知
,
分别为椭圆
的两个焦点,点P为椭圆C上的动点,I为
内心,G满足
.若直线IG的斜率不存在,则椭圆C的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f04443a0c1cf4808aea741c9f9379b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564d0fb11b770de9c9f3fe5c432c35a6.png)
您最近一年使用:0次
10 . 已知直线
与曲线
有公共点,则整数k的取值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33be4fd46b6f1e0bb7b6ec2fbac0a2d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5ac94e3e90ef93eb1d0e8d9c21811c.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次