解题方法
1 . 已知全集
,
,
,
.
(1)求
,
.
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cf40aeb870f36ff93934ffdf59cb5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb59bef7cf59170c3f3f6e283857da7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64c86dd36a38c81f7ef83c34f85883a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df07c4e0d73500041baa7ddc369395cd.png)
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解题方法
2 . 已知
为有穷正整数数列,且
,集合
.若存在
,使得
,则称
为
可表数,称集合
为
可表集.
(1)若
,判定31,1024是否为
可表数,并说明理由;
(2)若
,证明:
;
(3)设
,若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67905ad53186bb2908b603bc14005d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/702dcfe2523f774f6bc4f075f3d24fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80566aaf96db9c785cda10dc0935c1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84076d0854ef7c1a99a937fd50b25843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c6985405452b5d04bd0d3305544cc2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c93e3391890fc877c761121b68cb927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54119668d2f6cbc9ce0cb92310037713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c93e3391890fc877c761121b68cb927.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b83efe191fb8adaf89737c03ef34d1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c93e3391890fc877c761121b68cb927.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ebfe653088b1a534d0731947db43d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562441c2767a65f3671afa93b190126b.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffceb52b543819898a9a6fc96d7337e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7eab142f716f69be57d3f4ca2197894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2024-01-20更新
|
1467次组卷
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7卷引用:北京市昌平区2024届高三上学期期末质量抽测数学试题
名校
解题方法
3 . 集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee30245c147b93b59c0598f88502a754.png)
(1)当
时,求
;
(2)若
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e2146e3ece00f3562b4d19eb44c327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee30245c147b93b59c0598f88502a754.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-04更新
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264次组卷
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2卷引用:北京市昌平区第一中学2023-2024学年高一上学期期中考试数学试题
名校
解题方法
4 . 设平面向量
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
(1)若
,求
的值;
(2)设函数
,求函数
的最大值,并求出相应的
值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e9800eb724b4dbe6dc07d49c7f262c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9b7e77b6960816709ed154ede2b7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9dfa994bd463612e03b6a3737fe5c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfa1c899dba62e346737a224ee1753d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ba9745c01bcc7c3b62a4ee6dd60a3a.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f433b2af67f9bb72f18d373756ea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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5 . 已知
为有穷数列.若对任意的
,都有
(规定
),则称
具有性质
.设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c38cc7f201fede1860f9fe987ff01e.png)
(1)判断数列
,
是否具有性质
?若具有性质
,写出对应的集合
;
(2)若
具有性质
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519e46609069838b08721bdd8fd7fa6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a427d86ca98786e25d636f58129831cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7e9edf6d0468e0f8ca78b8bac63bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b740bc48c9718a294c11a1485fd14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c38cc7f201fede1860f9fe987ff01e.png)
(1)判断数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4811d7682bd33251b78071ba9ccc66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6bdcbd453ca29c88f9920aa0d15ade.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed1adc648cc7d8fe7ac43df4b918f11.png)
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2023-05-20更新
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2卷引用:北京市昌平区前锋学校2022-2023学年高二下学期期中考试数学试题
名校
解题方法
6 . 已知集合
.
(1)求
;
(2)若集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287eb02badacb686ed78235c469b5834.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36107591b80216ded064f86af687b43.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8a0865a6749bc058c0a783bb4703d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-01-06更新
|
336次组卷
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5卷引用:北京市昌平区2022-2023学年高一上学期期末质量检测数学试题
解题方法
7 . 设全集
,集合
,
.
(1)当
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553b0b1801620d779137427f2afd92ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a0e842acd7f1335c22273f68135084.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23024eea70ec7bb07b71daecb5031f0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf363a32abbd353b08d1723322fab9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 设
,
:实数
满足
.
(1)若
,且
都为真命题,求x的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cec15f600b7dcb65e4bfc21fd7a37b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a422f64706146fbaf8661fa44420fe8a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-12-15更新
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1265次组卷
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11卷引用:北京市昌平区新学道临川学校2021-2022学年高二下学期期中考试数学(文)试题
北京市昌平区新学道临川学校2021-2022学年高二下学期期中考试数学(文)试题宁夏银川一中2021-2022学年高二上学期期中考试数学(文)试题河南省温县第一高级中学2021-2022学年高二上学期1月月考文科数学试题江西省赣州市赣县第三中学2021-2022学年高二下学期开学考试数学(文)试题(已下线)专题2 常用逻辑用语-学会解题之高三数学321训练体系【2022版】(已下线)专题02 常用逻辑用语辽宁省重点高中沈阳市郊联体2022-2023学年高一上学期期末考试数学试题(已下线)专题02 常用逻辑用语-3江西省宜春市宜丰中学2022-2023学年高一学业水平考试模拟数学试题(已下线)高一上学期期中【常考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)广东省广州美术学院附属中等美术学校2024届高三上学期期末数学试题
9 . 已知集合
.集合
含有
个元素的子集分别记为
,
,
,
,
,其中
,
,
.当
,
时,设
,且
.定义:
;
.
(1)若
,
(i)写出满足
的一个集合
,并写出
的最大值;
(ii)求
的值;
(2)若存在唯一的
,使得
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2b3a23d2f1fec50e17559f1636fc68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df852270b85104c0bd2d0de2830ffd48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640d4cb502dfb924620e30dbf7546241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf73e41a26910357acba6dd83b558af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65b7b76ec96df162672fcdf653b9e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7601dbefa6836756e3d2731b79af0126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694b52596fdfcc391b23b3894ad85ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338947df86eb08f890be799504afe309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43c0c1f79b6b55d45a56087f42b9aea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07eeb1c770bde4ee79af5abfd298dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2021769c50f01848cb89311c71659b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca99f1104c0f7c014ab87496a892d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b096b7a7ab6364001a6fbc0d8b53291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba05bc733cdab0d9fbb6ebcfcef5c011.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
(i)写出满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6faa41c5bd313f84d10c09d19c4abc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c325086d711b98fc89fe38b65e1b0e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe19c7c063c09c9c3740109ff526c757.png)
(2)若存在唯一的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99d124d29ec453459d80f079d9a442e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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10 . 已知
,
,
(1)求
的最小正周期及单调递减区间;
(2)已知锐角
的内角
的对边分别为
,且
,
,求
边上的高的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d44e5778bf04639b449227bdbf5c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知锐角
![](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/11b16e1482b6fc268e1607614d2dfae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2021-03-27更新
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3991次组卷
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17卷引用:北京市昌平区新学道临川学校2021届高三上学期期末考试数学试题
北京市昌平区新学道临川学校2021届高三上学期期末考试数学试题天津市实验中学滨海学校2021-2022学年高三(黄南民族班)上学期期中理科数学试题上海市青浦区2022届高三一模数学试题(已下线)6.4.3 正、余弦定理的实际运用(精练)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)数学-2022年高考押题预测卷03(上海专用)(已下线)专题02 等式与不等式(模拟练)(已下线)专题06 三角函数(模拟练)-2上海奉贤区致远高级中学2023届高三上学期期中数学试题(已下线)6.4.2 平面向量的应用(精练)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)第09讲 解三角形中解答题4种基础题型(已下线)第02讲 正弦定理和余弦定理12种常见考法归类(3)甘肃省平凉市第二中学2022-2023学年高二上学期期末考试(延考)数学试题(已下线)专题6.8 解三角形的综合应用大题专项训练-举一反三系列(已下线)重难点08 正、余弦定理解三角形的重要模型和综合应用【八大题型】(已下线)高一下学期期中复习解答题压轴题十八大题型专练(1)-举一反三系列(人教A版2019必修第二册)山东省济宁市第一中学2023-2024学年高一下学期5月期中测试数学试题(已下线)高一下学期期末复习解答题压轴题二十四大题型专练(1)-举一反三系列(人教A版2019必修第二册)