名校
解题方法
1 . 已知集合
.
(1)若
中只有1个元素,求实数
的取值范围;
(2)若关于
的方程
存在两个不相等实根且
.求实数
的值与集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee89e3c25a2c4db90ebe722df8dc8a8f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78fccbe7d28c73a4c52018134a88126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a241d6ef06bc899a9dbb28b62c0aec5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2023-09-14更新
|
612次组卷
|
9卷引用:上海市普陀区桃浦中学2021-2022学年高一上学期10月月考数学试题
上海市普陀区桃浦中学2021-2022学年高一上学期10月月考数学试题河北省廊坊市第八中学2023-2024学年高一上学期第一次月考(10月)数学试题广东省韶关市广东北江实验学校2023-2024学年高一上学期第一次月考(10月)数学试卷上海市张堰中学2021-2022学年高一上学期期中数学试题(已下线)高一上学期期中【易错60题考点专练】(必修一前三章)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)(已下线)模块二 专题1《集合与常用逻辑用语》单元检测篇 A基础卷 (人教A)(已下线)模块三 专题1 集合中的参数问题(已下线)模块四 专题4 大题分类练 《集合与常用逻辑用语》拔高能力练(已下线)第一章 集合与逻辑(易错必刷30题10种题型专项训练)-【满分全攻略】(沪教版2020必修第一册)
解题方法
2 . 已知实数
,
,
满足
.
(1)若
,求证:
;
(2)若
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af20caf9cd92faf3282c0486c94544cc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bb000fad122ec5397f365d1d643572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56667aabbe787eb1c3189d487d203e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a7de66e1b100b970e70aadd18b77c1.png)
您最近一年使用:0次
3 . 解方程组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b15d4792918ebcfda1bf98d05c67e2.png)
您最近一年使用:0次
4 . 如图,点
、
分别在扇形
的半径
、
的延长线上,且
,
,
平行于
,并与弧
相交于点
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/ef1ea83a-4686-4327-a0e6-f5fbc10d43a7.png?resizew=189)
(1)求线段
的长;
(2)若
,求弦
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2d3f02cb9007cd4a90ea30f6dd8181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/ef1ea83a-4686-4327-a0e6-f5fbc10d43a7.png?resizew=189)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabaf83a9f732f71f7f64470fda5ad5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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5 . 若
,且
,求x.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faec4b7ef83a275b366017b66f37f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f364a1e62df8fdd9741ec2c9110d490.png)
您最近一年使用:0次
解题方法
6 . 《几何原本》中的几何代数法(以几何方法研究数问题)成为了后世数学家处理问题的重要依据.通过这一原理,很多的代数公理或定理都能通过图形实现证明,也称之为无字证明.如图所示的图形中,在AB上取一点C,使得
,过点C作
交以AB为直径的半圆弧于D,连接OD,作
,垂足为E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/c19e7bc7-78df-4981-914e-7fdfbd0b0bbd.png?resizew=196)
(1)请用a,b分别表示出CD,DE;
(2)写出CD与DE的大小关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aba45029c40dbb1492b9e23ed10cd69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04adb98fb410bb561742348c13f3975e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb178bfd554b239a85ef03b99f77f5bc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/c19e7bc7-78df-4981-914e-7fdfbd0b0bbd.png?resizew=196)
(1)请用a,b分别表示出CD,DE;
(2)写出CD与DE的大小关系,并证明.
您最近一年使用:0次
名校
解题方法
7 . 初一(2)班的郭同学参加了折纸社团,某次社团课上,指导教师老胡展示了如图2所示的图案,其由三块全等的矩形经过如图1所示的方式折叠后拼接而成.已知矩形
的周长为
,其中较长边
为
,将
沿
向
折叠,
折过去后交
于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/c13b9d2e-d19b-493a-9936-088b39e7d4ad.png?resizew=298)
(1)用x表示图1中
的面积;
(2)郭爸爸看到孩子的折纸成果后,非常高兴,决定做一颗相同形状和大小的纽扣作为奖励其中纽扣的六个直角(如图2阴影部分)利用镀金工艺双面上色(厚度忽略不计).已知镀金工艺是2元/
,试求一颗纽扣的镀金部分所需的最大费用.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbdcf4d4784de11ae2331cf54ffa9b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3160fce05b551569b8c7b5de6dd8b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78b4b135144b1eb3a3f17822faf4b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16a4959a99193a52d6fa8648cb2eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/c13b9d2e-d19b-493a-9936-088b39e7d4ad.png?resizew=298)
(1)用x表示图1中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7fc328938a3ef239a3a6195913e286.png)
(2)郭爸爸看到孩子的折纸成果后,非常高兴,决定做一颗相同形状和大小的纽扣作为奖励其中纽扣的六个直角(如图2阴影部分)利用镀金工艺双面上色(厚度忽略不计).已知镀金工艺是2元/
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8255d45b58102c28be8de5710e52ec8.png)
您最近一年使用:0次
2022-10-22更新
|
225次组卷
|
4卷引用:安徽省淮南市部分学校2022-2023学年高一上学期10月联考数学试题
安徽省淮南市部分学校2022-2023学年高一上学期10月联考数学试题云南省楚雄东兴中学2023-2024学年高一上学期10月月考数学试题(已下线)第3章 不等式 章末题型归纳总结(2)-【帮课堂】(苏教版2019必修第一册)广东省深圳市高级中学2023-2024学年高一上学期期末数学试题
8 . 因式分解:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94beffa00b092c1d0488cc5f38051689.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b33a524aaefc27aaf202c47e21b8ec.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94beffa00b092c1d0488cc5f38051689.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b33a524aaefc27aaf202c47e21b8ec.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddf0a12bb6bbe45748408666132ac50.png)
您最近一年使用:0次
9 . 如图所示,已知抛物线
与
轴交于
、
两点,与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/12c9eea7-7515-4386-a533-b313b156b81c.png?resizew=159)
(1)求
、
、
三点的坐标.
(2)过
作
交抛物线于点
,求四边形
的面积.
(3)在
轴上方的抛物线上是否存在一点
,过
作
轴点
,使以
、
、
三点为顶点的三角形与
相似.若存在,请求出
点的坐标;否则,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e02c68bc91653f19b8676abb60db91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/12c9eea7-7515-4386-a533-b313b156b81c.png?resizew=159)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e985a07365d045d935b6098fbf27254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc1a89a6a4e99d65b83b4e3ab3ed4eb.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85e35eeaaf2346c81e7d33df0b6a24e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc3e8a1475b983d1a4295db0e16d4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc3e8a1475b983d1a4295db0e16d4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91b51acfeef224f2bc25aa83e0878f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
您最近一年使用:0次
解题方法
10 . 如图,在一次综合实践活动中,小亮要测量一楼房的高度,先在坡面D处测得楼房顶部A的仰角为
,沿坡面向下走到坡脚C处,然后向楼房方向继续行走10米到达E处,测得楼房顶部A的仰角为
.已知坡面
米,山坡的坡度
(坡度i是指坡面的铅直高度与水平宽度的比),求楼房AB高度.(结果精确到0.1米)(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8152cb36f666908ce1a748d9f17709dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a3f6406a480e548d8f14cc984f12ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab785bcc3f4b5a8053fb21146bc70443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24859b5311f6fed21e39907db837f1fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee3517ec5f81e618c0acd01436e8ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54aa917837eed06f32b20c5cb11090b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/021d5d97-1f50-45d0-8a0b-e1b54fea3add.png?resizew=216)
您最近一年使用:0次