解题方法
1 .
,
满足约束条件
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f08fa3e9b3d341a73b699dfb400f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7c99486743e17633d086d868f0680c.png)
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2 . 已知椭圆
的左、右焦点分别为
、
,
为椭圆
上任意一点,
为曲线
上任意一点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb27e0da15121c20426db4f348b97470.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70bf03c1c663981809abe45cbf1d0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0296d07b5837861ca96b534069015bb9.png)
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解题方法
3 . 已知函数
为偶函数,满足
,且
时,
,若关于
的方程
有两解,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af95e4cded0c3545549d5b55b0d1375e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2222b10f3189590dfa35385970ce40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e42ad2b8aa847687969fde4ba17859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d2d6e783f73d37c335bf85b2bb791b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 若动直线
,圆
,则直线
与圆
相交的最短弦长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574af866deb0181a4848cc7f75535b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c069c599e7518a8de3ab426bf860e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
5 . 中国空间站的主体结构包括天和核心舱、问天实验舱和梦天实验舱.假设空间站要安排甲、乙等6名航天员开展实验,三个实验舱每个至少一人至多三人,则不同的安排方法有__________ 种.
您最近一年使用:0次
2024-04-13更新
|
307次组卷
|
2卷引用:陕西省咸阳市普集街道部分学校2024届高三下学期高考模拟考试(三)数学(理科)试题
6 . 如图,在棱长为2的正四面体
中,
,
分别为棱
,
的中点,
为线段
的中点,球
的表面与线段
相切于点
,则球
被正四面体
表面截得的截面周长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解题方法
7 . 已知三棱锥
中,
,三角形
为正三角形,若二面角
为
,则该三棱锥的外接球的体积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc28d94d5c26103b45758a1ac692442c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d3f5f4c4419913c1232b7aae03ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6d47edbcc2ae6efcfd7f28e401e3e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
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解题方法
8 . P为抛物线上任意一点,点
,设点P到y轴的距离为d,则
的最小值为
您最近一年使用:0次
2024-03-31更新
|
366次组卷
|
2卷引用:陕西省咸阳市2024届高三下学期高考模拟检测(二)数学(文科)试题
解题方法
9 . 已知总体的各个个体的值由小到大依次为,且总体的平均值为10,则
的最小值为
您最近一年使用:0次
解题方法
10 . 已知a,b,c分别为
三个内角A,B,C所对的边,若
,设点D为边
的中点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acd3ee01d9f843a8579ffb0b7d9d82.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9cd5f962dc49d58a7299e6dfba18d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fe4e8a3a3ea8627f7b1e968491ec1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acd3ee01d9f843a8579ffb0b7d9d82.png)
您最近一年使用:0次
2024-03-29更新
|
451次组卷
|
2卷引用:陕西省咸阳市2024届高三下学期高考模拟检测(二)数学(文科)试题