名校
解题方法
1 . 高斯是德国著名的数学家,近代数学奠基者之一,享有“数学王子”的称号,他和阿基米德、牛顿并列为世界三大数学家,为了纪念他,人们把函数
(
)称为高斯函数,其中
表示不超过x的最大整数. 已知:
,(
,
)
,
,
,求
的值;
(2)若
,
,
,求证:
;
(3)设
,求S除以2023的余数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b7f26fe1977bda9de200debe99f020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851eae00e3369068e33a7e6420483883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f161c2a3717f1b6c62d0d7dae0b606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2382ddc29a4fec13b4d0a11deb2cfd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d290a4927c50661098e2fbea58d77b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0956ed974bee14fffcf9ada9cafe49d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964a54ca7774d6fc04aaf8b85fda5fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ee581ca3282490206a8bc11dfb5ccf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a45b5fe1fea8e19026d491596392fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54e945ef81cf9c9d985aa6f2f72dc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1972a6ab2655f4cb706f7dd379902a87.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03304e01039bd5039d463207d81ce65.png)
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名校
解题方法
2 . 已知正四面体
的棱长为2,动点
满足
,且
,则点
的轨迹长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699f18e45e11545da4cb546bcc1b5587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d833378fedd8a5eb2135c54f3642e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2024-03-14更新
|
912次组卷
|
2卷引用:上海市浦东新区上海师范大学附属中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
3 . 下列命题正确的有( )个
(1)若数列
为等比数列,
为其前n项和,则
,
,
也成等比数列;
(2)数列
的通项公式为
,则对任意的
,存在
,使得
;
(3)设
为不超过实数x的最大整数,例如:
,
,
.设a为正整数,数列
满足
,
,记
,则M为有限集.
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b0ed9533c1ea30a87249539a005e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48e167c9bcef9eb89d7a456d8ca21b7.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7476db4d8d32edf309372a3ef067b839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4004a42ff7dc0afb6d53c73859e7c49b.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3420606c96b68fb884c839923fd20a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5971b06a0758bb830c4e09a25bb665a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fb370b8bd5422314299f1dd4f1ec25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c4cdcb32e3a0ce527c13978c022a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4b0cd80d95662729de6af4fa5add73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3440756e96122c23a882a4592b45b4f2.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2024-03-16更新
|
76次组卷
|
5卷引用:上海市上海师范大学附属中学2022-2023学年高二下学期3月月考数学试题
上海市上海师范大学附属中学2022-2023学年高二下学期3月月考数学试题(已下线)专题4.4 数学归纳法(2个考点四大题型)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)(已下线)专题04数列全章复习攻略--高二期末考点大串讲(沪教版2020选修)(已下线)专题7 等比数列的性质 微点2 等比数列前n项和的性质(已下线)专题17 数列探索型、存在型问题的解法 微点1 数列探索型问题的解法
4 . 已知
为坐标原点,椭圆
的左、右焦点分别是
,
,离心率为
.
,
是椭圆
上的点,
的中点为
,
,过
作圆
的一条切线,切点为
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.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/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cc5053061887ebff5b7f12bdea15e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d7e9566b9f146a243d2620256a139c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ce8eed2660a33465a7f764e76cdba8.png)
A.![]() | B.![]() | C.![]() | D.5 |
您最近一年使用:0次
2023-11-21更新
|
1256次组卷
|
6卷引用:上海市浦东新区进才中学2023-2024学年高二上学期12月月考数学试题
5 . 设抛物线
:
的焦点为F,经过x轴正半轴上点
的直线l交
于不同的两点A和B.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/10/3bb2947c-7eb2-411b-b205-731ccde56cd0.png?resizew=169)
(1)若
,求A点的坐标;
(2)若
,求
的值;
(3)若
,且直线
,
与
有且只有一个公共点E,问:
的面积是否存在最小值?若存在,求出最小值,并求出M点的坐标;若不存在,请说明理由(三角形面积公式:在
中,设
,
,则
的面积为
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62769b7177ef4bc952dc1dd51d6b510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/10/3bb2947c-7eb2-411b-b205-731ccde56cd0.png?resizew=169)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48276435f2fa9c0e510be76df906b96e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b0ba14e41e306e5633ad4bf1cdedd8.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1683899c08a58eeb25a917dfab3e7b52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73167471b003bb245bdc952d1a36e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49830e1af740638d68a1c06379e4ae04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bac07538f25bb48ed4853686c3a8a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58ad468fd2b5c4523ec51c27e9c1452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a113e8fc18c7740c4e94d74f43587c.png)
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解题方法
6 . 某苗圃有两个入口A、B,
,欲在苗圃内开辟一块区域种植观赏植物,现有150株树苗放在P处,已知
,
,以AB所在直线为x轴,AB中点为原点建立直角坐标系.计划将树苗种在以
,
,
,
为顶点的矩形内呈15列10行等距排列.
(1)种在点
处的树苗应通过哪个入口运输路程较短?
(2)能否在苗圃内确定一条界线,使位于界线一侧的树苗沿PA运输较近,而另一侧的树苗沿PB运输较近?若能,求出这条界线;若不能,说明理由.
(3)有多少株树苗沿PB运输较近?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86eaac8863f15168b2d416a8b105bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f84bb093acbca9daf14d5146743d44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de949749cd49269278987a3c62594215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333019fd1f1336dd02c0579ecc114d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae0935c251f0a684e498c286f6138b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6b740cd2e0904994fd655983348f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ea9c86a4cc05d5c95c134edb874e7e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/18/83d6de7f-78a1-4bf3-a052-cf1a82f19600.png?resizew=176)
(1)种在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c293fdb849822d49c621971e47f6627f.png)
(2)能否在苗圃内确定一条界线,使位于界线一侧的树苗沿PA运输较近,而另一侧的树苗沿PB运输较近?若能,求出这条界线;若不能,说明理由.
(3)有多少株树苗沿PB运输较近?
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名校
解题方法
7 . 如图1,已知
,
,
,
,
,
.
绕
轴旋转半周(等同于四边形
绕
轴旋转一周)所围成的几何体的体积;
(2)将平面
绕
旋转到平面
,使得平面
平面
,求异面直线
与
所成的角;
(3)某“
”可以近似看成,将图1中的线段
、
改成同一圆周上的一段圆弧,如图2,将其绕
轴旋转半周所得的几何体,试求所得几何体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee80939187a84e1863eeb192a301c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e87b3d349194312a934fced615e563c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3752eaf8b6f65d3faf930dc54bf2ef1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40540618c5b9bb0de570d4c742efe648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65816deab5057903d4b9cb09d6190b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f768ec9a3a36cab9c488149507fd199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)将平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20af148464904e21f4374cc8fb886fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ec6cf562ec0322dd2df37fbf56ef3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af048430d955eb2f6ba0f1cc4bc10243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678b28fddb166d90878d24d6e5481080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71fe246270d1277f9eb2bf15af22e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)某“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520bbc5e258f1b50b905af41f321ac15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2023-11-16更新
|
531次组卷
|
3卷引用:上海市进才中学2023-2024学年高二上学期期中数学试题
上海市进才中学2023-2024学年高二上学期期中数学试题重庆缙云教育联盟2024届高三高考第一次诊断性检测数学试卷(已下线)第二章 立体几何中的计算 专题三 空间体积的计算 微点4 四面体体积公式拓展综合训练【培优版】
8 . 在平面直角坐标系
中,一动圆经过点
且与直线
相切,设该动圆圆心的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
作两条互相垂直的直线
,直线
与
交于A,B两点,直线
与
交于D,E两点,
的最小值;
(3)
为曲线
上一点,且
的横坐标大于4.过
作圆
的两条切线,分别交
轴于点
、
,求三角形
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45d4785a48c4e9641450e9ee2822df3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bac4d3d2be66e9f25b59e3a94f235e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/22ce50ba5e349425274f05d46d120a74.png)
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名校
9 . 已知球
的体积为
,高为1的圆锥内接于球
,经过圆锥顶点的平面
截球
和圆锥所得的截面面积分别为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b636d4ebde5f9a8a0f1ded2572359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3951794089b41626476a255508b2379d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
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10 . 如图,在棱长为2的正方体
中,点
分别在线段
和
上,则下列结论中错误的结论( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
A.![]() |
B.四面体![]() ![]() |
C.有且仅有一条直线![]() ![]() |
D.存在点![]() ![]() |
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2023-11-14更新
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644次组卷
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7卷引用:上海市川沙中学2023-2024学年高二上学期期中数学试题
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