名校
1 . 已知
均为实数,有下列命题①若
,
,则
;②若
,
,则
;③若
,
,则
.其中正确的命题有_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8b312602d808e2f593530c35a83d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f307de4e90a4bb17307e44a34d0101c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e271b6e63206285461a7552d11efd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f50ce6b511e6b928796e048fc7fa5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8b312602d808e2f593530c35a83d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2aa5e48ef4cc10678706d9883e7a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a8149940117b405ba0f4d567b8aa7c.png)
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解题方法
2 . 根据要求比较一下各组中的
的大小.
(1)
,
,其中
均为正实数;
(2)
,
,其中
均为正实数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af972332e5a9149d66e5a2577e71d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2b8f0b94dcf960ca3659536d077d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289dadb31dbde67b3a8ed7d51470891a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dceab3898257e9d4de9d864c6c6866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
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3 . 下列结论正确的个数为( )
①两个实数
,
之间,有且只有
,
,
三种关系中的一种;
②若
,则
;
③一个不等式的两边同加上或同乘以同一个数,不等号方向不变;
④一个非零实数越大,则其倒数就越小;
⑤
,
;
⑥若
,则
.
①两个实数
![](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/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13b34c99b942b8dd2cbd88ed017de36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
③一个不等式的两边同加上或同乘以同一个数,不等号方向不变;
④一个非零实数越大,则其倒数就越小;
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0722839ca1ca6f811d111242d1eab49a.png)
⑥若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3675a5a4d82c26218e8686c315e40913.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2020-12-08更新
|
396次组卷
|
5卷引用:天津市实验中学滨海学校2021-2022学年高一上学期10月月考数学试题
天津市实验中学滨海学校2021-2022学年高一上学期10月月考数学试题天津市嘉诚中学2023-2024学年高一上学期第一次月考数学试题安徽省池州市东至县第三中学2020-2021学年高一上学期期中数学试题(已下线)2.1 等式与不等式的性质(精讲)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第一册)河南省辉县市第一高级中学2021-2022学年高二上学期第一次阶段性考试数学理科试题
解题方法
4 . 已知
,
,则
与
的大小关系为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06833082589051d460fbef76ac3ac439.png)
____________
(填“<”“=”或“>”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec336faee8689281a6f6b465e7fcff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06833082589051d460fbef76ac3ac439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06833082589051d460fbef76ac3ac439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
解题方法
5 . 已知
,
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565ee789d7fe858baa946a372b014b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b99263cfd0a4f0f1fb729c67546843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知实数
、
,满足
,
,则
的取值范围是_______ .
![](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/5e501c5fe6e95dc5007a2c9338e34839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddaa3e097ff814572ce594fc58d4043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00087d2a373565325eb56b0bb7129d4d.png)
您最近一年使用:0次
2020-10-30更新
|
532次组卷
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7卷引用:天津市第四十七中学2021-2022学年高一上学期第一次月考数学试题
名校
7 . 若
,则下列不等式中恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567a5246c0c509b0012c41aeb2b044ed.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-10-24更新
|
428次组卷
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5卷引用:天津市第四十五中学2023-2024学年高一上学期第一次月考数学试题
名校
解题方法
8 . (1)设
,
,比较
、
的大小并写出证明过程;
(2)已知
,
,求
,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3488451392e4a24334fd7729d1854f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a4142aa829f0b0540fa4dda4640468f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15dc696ba786691a0f402a91c1d469f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347fbde05bf3160cd146261fdc9e2802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058ff918469fd8986c8d63a7057bb91a.png)
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9 . 若x>y,m>n,则下列不等式中正确的是( )
A.x-m>y-n | B.mx>ny | C.![]() | D.m-y>n-x |
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2020-10-15更新
|
167次组卷
|
3卷引用:天津市第二十五中学2020-2021学年高一上学期10月第一次月考试题
10 . 已如命题p:
;命题q:
(
),若
是
的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/753c9c98a20cb703966a5391bfeff214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae04683da379c1403270ac047f91ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
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