名校
1 . 已知
,若实数a、b、c、d满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cef3348ef057b02b1d422fbf24fa6af.png)
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d70d3cf04c8c76a7dab2bc46c18ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba68fc946ce47e7bdab9da0d3dcaac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cef3348ef057b02b1d422fbf24fa6af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8ecadab13cd7634507dbd66685b3a7.png)
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2 . 已知
,则下列四个命题正确的个数是______ .
①若
,则
;②若
,则
;
③若
,则
;④若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baca30d4248a82988890bd032d159b25.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01690a9d7f823a85b4a1f105372660a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bbe81995a78abac04c5759eb15820b.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497d269c30eec393e3f0e877ddbe2983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f7ac69134b85339362fffa0765b3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa23408bcc9f6200f22a310e5f2569a.png)
您最近一年使用:0次
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解题方法
3 . 若
,
,
,则
,
的大小关系是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a6f362a7f8f972d6b329a882e940d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7bb4b200bc9797b309ff15f097fd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfc131c444ce15a04005bfd539c23e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
您最近一年使用:0次
2022-11-06更新
|
509次组卷
|
5卷引用:辽宁省沈阳市重点高中联合体2022-2023学年高一上学期期中数学试题
辽宁省沈阳市重点高中联合体2022-2023学年高一上学期期中数学试题(已下线)3.1 不等式的基本性质(1)-【帮课堂】(苏教版2019必修第一册)(已下线)专题02 不等式性质比大小和求最值范围 (1)山东省淄博市高青县第一中学2023-2024学年高一上学期第一次月考(10月)数学试题(已下线)专题02 一元二次函数、方程和不等式1 -期末复习重难培优与单元检测(人教A版2019)
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4 . “
且
”是“
且
”的______ 条件(填“充要”、“充分不必要”、“必要不充分”或“既不充分也不必要”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a871ef7bf13de3e15489d65b57a3cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5d2a320b9ff137ce3632296c4b1d79a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b12a22ac48dcbc70d95f03371d874f.png)
您最近一年使用:0次
2022-09-23更新
|
1225次组卷
|
3卷引用:江西省抚州市乐安县第二中学2022-2023学年高一下学期期中数学试题
名校
5 . 已知
,下列命题中正确的是______ (将正确命题的序号填在横线上)
①若
,则
②若
,则
;
③若
,则
; ④若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e93c4cf3e3b28e6f92516b3316d8bd3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb0e46b4d033f3ec9f2b6fbdfac7ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3238c63094c999c9cb615e589fdfd232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7123017ca5a889b0d10e164c074bf55.png)
您最近一年使用:0次
2022-08-23更新
|
1084次组卷
|
3卷引用:上海市杨浦高级中学2021-2022学年高一上学期期中数学试题
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解题方法
6 . 若
,则下面有六个结论:①
,②
,③
,④
,⑤
,⑥
中,正确结论的序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f7c54faca6eac8af5309942062058d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2128a00f52af4427721f0ebba591daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13b34c99b942b8dd2cbd88ed017de36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930602214238856d5ca04498117ad25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1fcd391a578a7c7805a0530d048b2e.png)
您最近一年使用:0次
2021-12-03更新
|
768次组卷
|
9卷引用:河南省新乡市河南师大附中实验学校2021-2022学年高二下学期期中考试数学文科试题
河南省新乡市河南师大附中实验学校2021-2022学年高二下学期期中考试数学文科试题沪教版(2020) 必修第一册 堂堂清 第二章 2.1(4)等式与不等式的性质沪教版(2020) 必修第一册 领航者 一课一练 第2章 2.1 第4课时 不等式的性质(2)(已下线)第03练 不等式-2022年【寒假分层作业】高一数学(苏教版2019必修第一册)山东省滨州市惠民县第二中学2022-2023学年高一上学期9月月考数学试题北师大版(2019) 必修第一册 数学奇书 学业评价(九) 不等式的性质(已下线)第05讲 等式性质与不等式性质(7大考点)-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)江苏省无锡市江阴市某校2023-2024学年高一上学期10月学情调研数学试题(已下线)专题02 一元二次函数、方程和不等式2-2024年高一数学寒假作业单元合订本
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7 . 设a,b,c为非零 实数,且
,则下列判断正确的有___________ .
①
②
③
④
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf538440bd45e5881f2b22994560ba7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b489ff67a08117de227196cb06fb6a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5e8545fb231891c7c18a95c15305f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84df7a9ed607833016ed47235e0fdd75.png)
您最近一年使用:0次
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解题方法
8 . 若
有下列四个不等式①
;②
;③
;④
.则下列组合中全部正确的为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b691c3b789f43451497aee76eaaab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58dcb5ddd610445426dcf3dc15f252f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81768451a5251590e3c4c93a9b044b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff30ad3505c73e135031d6373c17ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa89b9a011c560e35d4c3f1ce3a27fe.png)
您最近一年使用:0次
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9 . 设
,
,则
,
的大小关系为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67895d302e15d57b124b6853ef3c288e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565ee789d7fe858baa946a372b014b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2020-10-28更新
|
807次组卷
|
8卷引用:陕西省榆林市第十二中学2019-2020学年高二下学期期中数学(理)试题
陕西省榆林市第十二中学2019-2020学年高二下学期期中数学(理)试题安徽省六安市舒城中学2019-2020学年高二下学期第三次月考数学(理)试题(已下线)专题2.1不等式及基本不等式(A卷基础篇)-2020-2021学年高一数学必修一同步单元AB卷(人教A版浙江专用)浙江省精诚联盟2020-2021学年高一上学期10 月联考数学试题第2章+等式与不等式(能力提升)-2020-2021学年高一数学(必修一)单元测试定心卷(沪教版2020)(已下线)知识点01 不等式的基本性质-【提升专练】2021-2022学年高一数学新教材同步学案+课时对点练(苏教版2019必修第一册)(已下线)3.1 不等式的基本性质(1)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)(已下线)专题02 不等式性质比大小和求最值范围 (1)
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10 . 给出下面类比推理:
①“若
,则
”类比推出“若
,则
”;
②“
”类比推出“
;
③“
,若
,则
”类比推出“
,若
,则
;
④“
,若
,则
”类比推出“
,若
,则
(C为复数集)”.
其中结论正确的个数为________ .
①“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b920eeb1c7e47f8cc07f66a9e210072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd851caf97d430a0c7d7ecd64871dd98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd859c67d222e39c28ceb9500890127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29259d79d1c935bc15fec77061bd2aab.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c3d4b11fc2ae913cc27b6b63fc199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2130dfd8a7f257cd858d55f01c2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c3d4b11fc2ae913cc27b6b63fc199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481ee0d1e39e92a4732eea90225eb94c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2130dfd8a7f257cd858d55f01c2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481ee0d1e39e92a4732eea90225eb94c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
其中结论正确的个数为
您最近一年使用:0次
2020-05-17更新
|
153次组卷
|
2卷引用:宁夏回族自治区银川一中2019-2020学年高二下学期期中考试数学(文)试题