1 . 设
,且
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5761cbea43a3b650ae7cafc350941fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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2 . 如图,在平面四边形
中,
,则![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500807680/STEM/290f7937f8084d2c8abe5f02131e10f4.png?resizew=40)
____ .
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500807680/STEM/7cd51cba08b44207a221ce391e2ecf0b.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500807680/STEM/a636890f523e4cb6940bc641f55e31e7.png?resizew=309)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500807680/STEM/290f7937f8084d2c8abe5f02131e10f4.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500807680/STEM/28f5eb1776044be284e82a980bdad428.png?resizew=126)
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3 . 一艘海监船在某海域实施巡航监视,由
岛向正北方向行驶
海里至
处,然后沿东偏南
方向行驶
海里至
处,再沿南偏东
方向行驶
海里至
岛,则
两岛之间距离是_____ 海里.
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/20ecc9a92aae48feaf0c91fc643e137d.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/951615fe4df0462ba13515c2404f0e21.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/3932ad475dd543c6be1dd0e70816ce78.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/3fdb23bd55c04c428a3a7699e1659c36.png?resizew=26)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/728d00b5400b458caf8f874f83922695.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/08391232493b4a45bba6fddb0d7b3e50.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/3fdb23bd55c04c428a3a7699e1659c36.png?resizew=26)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/2e00c19a5b004ac1b27a73e7545aa92b.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/852a3df2e3b345099ca1ec9864fd5427.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124235313152/STEM/6af28212a36a497ea2e146e24087de4c.png?resizew=32)
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名校
4 . 若不等式
的解集为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799bfad4a7601be16efcec5e6d6c1efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df6d2a950aaec9c91ef949fdd43b5ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2016-12-04更新
|
513次组卷
|
2卷引用:2016-2017学年河北冀州市中学高二文上月考三数学试卷
解题方法
5 . 如果实数
满足条件
,且
的最小值为6,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddaa7424de6c860a7e1fe464ad175ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a83b12dab224d346fe861fd5ae6fb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2016-12-04更新
|
140次组卷
|
3卷引用:2017届河北正定中学高三上月考一数学(理)试卷
解题方法
6 . 如果实数
满足条件
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddaa7424de6c860a7e1fe464ad175ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42afd0aab25819fa7c8ed32414c83cb7.png)
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2016-12-04更新
|
271次组卷
|
2卷引用:2017届河北正定中学高三上学期第一次月考数学(文)试卷
7 . 已知函数
,如果不等式
的解集是
则不等式
的解集是___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac3b0d067cce722f93bbb9fc687db3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7e88b74f492f89e21e4cf65353bdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60af30ff8f96ead03dd57c6e3eb809c9.png)
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8 . 在
中,角
所对的边分别为
,且
,则
的面积是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd21b30b03f1cecc23b6b8a67e6e4b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d72d3ba6b5eca3073d15a147c049af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bba7253d5625947fdd3a791e415780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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9 . 在
中,
分别是角
的对边,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d72d3ba6b5eca3073d15a147c049af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd21b30b03f1cecc23b6b8a67e6e4b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1ba07e7a73d022b99743224c61a745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
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2016-12-04更新
|
554次组卷
|
2卷引用:2017届河北沧州市高三9月联考数学(理)试卷
10 . 已知常数
,且不等式
解集为空集,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada4a7798069b0ac1052d4a5ee73348f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b905da5691de91d60f20d3771176408b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
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