解题方法
1 . 已知
.
(1)比较
与
的大小.
(2)试问“
”是“
”的什么条件?说明你的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece695dd915ffe74c1e3c7f1dc1bd89d.png)
(1)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)试问“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d229cbec798c9c278a9b5979cb38247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069390dd908ff203327958117a226593.png)
您最近一年使用:0次
名校
2 . (1)已知实数x,y满足
,
,求
的取值范围;
(2)已知实数
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902e748760713aa242c2344392568368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5701268cf597662d1e784ab120e4f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0945e2b7fa4e521f9d07593f89b16d04.png)
(2)已知实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407952e7794775a58c16927da737b527.png)
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2023-11-09更新
|
297次组卷
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3卷引用:重庆市第七中学校2023-2024学年高一上学期12月月考数学试题
名校
解题方法
3 . 比较下列式子大小
(1)
与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1694d32baecc3624b3ded96f7c1156.png)
(2)若
,
与
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98d0c8e5ef195aed995d2ec98f81de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1694d32baecc3624b3ded96f7c1156.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5842f47b99932df68efbb64eb847e956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dd6be6008dcc9de3bcdbdc486e5ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f49a2a7846d996407a3a6d802b65e48.png)
您最近一年使用:0次
2023-10-22更新
|
98次组卷
|
2卷引用:重庆市松树桥中学校2023-2024学年高一上学期第一次月考数学试题
名校
解题方法
4 . 回答下列问题:
(1)集合
,且
. 求集合
.
(2)
,比较
与
的大小关系.
(1)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925256759248f0a777f7843a884ece24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5f7909388d2e6bbd9110fc443fed65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10aad5253cc0251dccbbefdd3c8bba6c.png)
您最近一年使用:0次
解题方法
5 .
糖水中含有
糖,若再添加
糖(其中
),生活常识告诉我们:添加的糖完全溶解后,糖水会更甜.根据这个生活常识,你能提炼出一个不等式吗?试给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26db2ba1a20483f21f4551ee4f024f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4352384d696d4bea86914323f4561d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2839495501bff1253bde58c09a3fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae41b4ea7f44a8699f108def4a22ac9.png)
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2023-10-02更新
|
60次组卷
|
2卷引用:重庆市名校联盟2023-2024学年高一上学期期中联考数学试题
名校
解题方法
6 . 已知
.
(1)比较
与
的大小;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9956fe38551ec20eb5bae1bdadc7b7.png)
(1)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1a0095ffcb865acdf40a6b03cc6b27.png)
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2023-02-13更新
|
165次组卷
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3卷引用:重庆市松树桥中学校2023-2024学年高一上学期第一次月考数学试题
解题方法
7 . 比较下列各题中两个代数式的大小:
(1)
与
.
(2)
与
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8cba77813092f081ae5017b11970ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0076a6db7cf4f3801a47f474aa8776.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed05707e14d7364b365305347d399c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5f3ebfb141fdb472518347e3bffd92.png)
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2022-10-19更新
|
130次组卷
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3卷引用:重庆市2022-2023学年高二下学期3月月度质量检测数学试题
重庆市2022-2023学年高二下学期3月月度质量检测数学试题甘肃省庆阳第六中学2022-2023学年高一上学期第一次月考数学试题(已下线)专题06等式性质与不等式性质-【倍速学习法】(人教A版2019必修第一册)
名校
解题方法
8 . 对于四个正数
,若满足
,则称有序数对
是
的“下位序列”.
(1)对于2、3、7、11,有序数对
是
的“下位序列”吗?请简单说明理由;
(2)设
均为正数,且
是
的“下位序列”,试判断
之间的大小关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cacf2b3b2ba1b233e24e9132e8018ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32446125fa37e58f0c8b5fc9802c7940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698c4d4e50062b4a7dd70fe1b4ab4fd7.png)
(1)对于2、3、7、11,有序数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77dc145777bf2e8823f43f5ce4fe3c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10f4d985c59c189de056257862b26ea.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a10657fd45a7423e4367d0d7cb877e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b807b9b8da58da1b6778865efccb01b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf24137ab9f0552ac6bd40c04e6ba98.png)
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2022-09-27更新
|
454次组卷
|
4卷引用:重庆市南开中学高2022-2023学年高一上学期第一次月考数学试题
名校
解题方法
9 . 已知函数
.
(1)判断
的奇偶性;
(2)若
,
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556f1c4d28ff383ad95f0beee991c2a5.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0102c694f0d246336867e2fe17116909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe5454d74b83d42cc5ed644f6b24a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf1b7fec88de31dd4643b1a01dee5c5.png)
您最近一年使用:0次
名校
解题方法
10 . (1)比较
与
的大小.
(2)当
,
,且满足
时,有
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7cd469863fb7278f7a5193db259d15.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc5c45e32d7b19f500da9a1f2549f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c36cdb03a872a89374ead035774d493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2021-10-13更新
|
424次组卷
|
3卷引用:重庆市璧山中学校2021-2022学年高一上学期10月月考数学试题