解题方法
1 . 已知实数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda10fa4eb4ada28d582363540b3dc3a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知
满足
,若
,其最大值为
,最小值为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d06ad126eef8c33fdcd8a55107fe7d.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e8e8785c0674749456db5447264d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea21a476d229f2a0c68c2d0d20ef2a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d06ad126eef8c33fdcd8a55107fe7d.png)
您最近一年使用:0次
解题方法
3 . 已知,
,函数
.若不等式
对于任意实数
恒成立,则
的最小值是_______ ,最大值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e54eae1d3c207862be0c3e64598819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc650a80dcc0e45556004befd66cbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次
2022-05-05更新
|
310次组卷
|
2卷引用:浙江省“数海漫游”2022届高三下学期二模数学试题
2022高三·全国·专题练习
解题方法
4 . 已知正数
,
,
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/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46b0f59cca115165b305cc4cd1d5f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a93f448c9660e660b7fb4a26dffccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ecf7ee037e01c207824a30d5239d528.png)
您最近一年使用:0次
名校
解题方法
5 . 若
,
满足约束条件
则
的取值范围为( )
![](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/ecabec83f54d5bbedcb0b76ec66bc974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ce9446d15aeaa4447cc23864923963.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-10-21更新
|
663次组卷
|
5卷引用:2020年高考浙江数学高考真题变式题1-5题
(已下线)2020年高考浙江数学高考真题变式题1-5题(已下线)考点9-1 线性规划与不等式性质(已下线)2024年高考全国甲卷数学(理)真题平行卷(提升)河南省创新发展联盟2021-2022学年高二上学期第二次联考数学试题广西师范大学附属外国语学校2021-2022学年高二10月月考数学试题
名校
解题方法
6 . 已知
若
且方程
有五个不同的根,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1d1a914ca515d5d9fa1f037d616081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458fc793049bdc1f40863425700190c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16baca93c1ea34bc9f7f024be194d4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e675399186caa928dc832497c6f57df.png)
您最近一年使用:0次
名校
解题方法
7 . 已知实数x,y满足条件
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b1fc492168f4f2b7c62587c686ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0dc8fae19ba75b55de2bbc48402add.png)
A.1 | B.![]() | C.![]() | D.3 |
您最近一年使用:0次
解题方法
8 . 已知点
为不等式
所表示的可行域内任意一点,点
,
为坐标原点,则
的最大值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52cff1fa561c0ef4fa2fe16b543b58b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfdaff06ec521a642154e45ef26f2dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ac284251f4b40dc7db9c463761ad4d.png)
您最近一年使用:0次
解题方法
9 . 在平面直角坐标系
中,已知圆
,点
,过圆
外一点
作圆
的切线,切点为
.若
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f25834d8218c53cb975c2a2fe7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57dbb2c1a7b75979fbd12672266ae02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39c2bd45e8dfb5433acabb29d42f6f6.png)
您最近一年使用:0次
10 . 设实数
、
满足
,则
的最大值为______ .
![](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/2efeb8000af5e1fb65433d986d83e5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95ad90c5e249203722ee57e1c28c4c6.png)
您最近一年使用:0次