名校
解题方法
1 . 已知实数
、
满足
,则
的最小值为_______ .
![](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/30c1f72914014361c9c5254644962eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab0ebb8c99e502fa24f7d37cdb5046e.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
,
且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254aebe3ef7eabdf41e46c1cd857c705.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知
为正数,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f0252f48f19b7a16c298e10fa3002d.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
解题方法
4 . 已知
,下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44687b735edeffb103348d6b3ce36881.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
5 . 若正数
满足
.
(1)求
的最大值;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a09184b24c7c594555d0377cdee65a4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfb360fa18601e737366cc2684bd8dd.png)
您最近一年使用:0次
6 . 已知不等式
对满足
的所有正实数
都成立,则正实数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a40abcec831bb39fcbaa2b4eeafffc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba90963f450c60595b022da7a1df523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
名校
解题方法
7 . 已知正数
,
满足
,则下列各选项正确的是( )
![](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/eba9dfb35e55c70febc04960ffe6c762.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-09更新
|
1112次组卷
|
5卷引用:浙江省杭州市富阳区实验中学2023-2024学年高一上学期12月月考数学试题
解题方法
8 . 已知实数
,
,且满足
,则
的最小值是________ .
![](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/08677c8308807e4dca6fd9410d301a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21c7c8c6c679d1c9748e42ca2aa09bb.png)
您最近一年使用:0次
名校
9 . 已知
为正实数,且满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6e7bd0899ccb4a5b9dc223b81c4c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
解题方法
10 . (1)已知
,
,比较
,
的大小并说明原因;
(2)已知
,
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784676e6ba2b4e0dfca8bb154a963ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98324f9c6ef5ebb108d4df6a3ed477b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b526d803fb7124128c84f15cb4a173ed.png)
您最近一年使用:0次