1 . 如图,在
中,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
_____ .
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572594044583936/1572594050719744/STEM/b35e8b1949a4411ba9555c4e87e92908.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572594044583936/1572594050719744/STEM/3dfae9cd631e43dfbd3c232b0104ad90.png?resizew=91)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572594044583936/1572594050719744/STEM/41b8a09400e14368893e72080b8e595e.png?resizew=67)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288008ef39c1751d5cf5eebc26ea31f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572594044583936/1572594050719744/STEM/70c692a57a754fc580811f2ac7e7812a.png?resizew=213)
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2 . 当实数
满不等式组:
时,恒有
成立,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e845174e083f77b0b1f6e007bd5efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd9610ab29a56cf0ef652ae193e834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-04更新
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1689次组卷
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5卷引用:2016届重庆一中高三下学期3月月考理科数学试卷
3 . 在△ABC中,角A,B,C所对的边分别为a,b,c,
.则A=_____ .
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572528042516480/1572528048472064/STEM/c93af131c0964e14aa8d8c2ddc8fc947.png?resizew=206)
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4 . 设
内角
的对边分别是
.若
的面积为2,
边上的中线长为
,且
,则
中最长边的长为________ .
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/9d0439c67704434c846343bd423ebbb4.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/3c173fbb1a534b2c98ef6c9852540e09.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/299d4fdfc54a4bf2b2d230d5630fd624.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/9d0439c67704434c846343bd423ebbb4.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/af0968537e7d467eb409480ca0868df8.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/d72a43b0a05a491483e6556af8741c20.png?resizew=25)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/fb138660eeb649fc91721224dbec9b4c.png?resizew=129)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465471692800/1572465477689344/STEM/9d0439c67704434c846343bd423ebbb4.png?resizew=45)
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5 .
中,
,
的平分线
交边
于
,且
,
,则
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda09302202d7ccfe1fbc325a31964a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a372560e41dbe1a873ac4e75b2a7892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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2016-12-04更新
|
608次组卷
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2卷引用:2016届重庆市巴蜀中学高三上学期一诊模拟文科数学试卷
6 . 设等比数列
的前
项和为
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d84adcf862cb7057595c4b9cbf6800.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded491472de46ac1bae142f26361f915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d460ce8b0b73c483bc02c04bb8a02e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d84adcf862cb7057595c4b9cbf6800.png)
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7 . 设
内角
的对边分别是
.若
的面积为2,
边上的中线长为
,且
,则
中最长边的长为________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f613e517103a3003c616d749616e68c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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解题方法
8 . 已知
,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29ef32d9bc2e32ef2b8639b57dc9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3de8eb8b5b06b28712b9fe46b3d450f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f257b71e2b7886aadf7f1ebc809c10b1.png)
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2016-12-03更新
|
903次组卷
|
7卷引用:2015-2016学年重庆一中高一下学期期中数学试卷
真题
名校
9 . 在各项均为正数的等比数列
中,若
,
,则
的值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3701967f18db00ecbdf6309fb8d83189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
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2016-12-03更新
|
5620次组卷
|
22卷引用:2015-2016学年重庆市八中高二下期中理科数学试卷
2015-2016学年重庆市八中高二下期中理科数学试卷2015-2016学年山东省菏泽市高二上学期期中考试数学A卷2015-2016学年山西省太原五中高一下期末考试数学卷2016-2017学年河北故城县高级中学高二上期中数学试卷上海市延安中学2017届高三上学期期中数学试题2014年全国普通高等学校招生统一考试数学(江苏卷)北京东城五中2017-2018学年高三上期中数学真题卷辽宁省六校协作体2017-2018学年高二下学期期中考试数学(文)试卷(已下线)《高频考点解密》—解密11 等差数列、等比数列(已下线)解密10 等差数列、等比数列-备战2018年高考文科数学之高频考点解密(已下线)2018年9月23日 《每日一题》人教必修5-每周一测【全国百强校】广东省华南师范大学附属中学2019届高三上学期第二次月考数学(文)试题(已下线)2019年9月22日 《每日一题》必修5—— 每周一测人教A版 成长计划 必修5 第二章数列 高考链接(已下线)题型05 等比数列通项公式、前n项和公式及其变形公式-2020届秒杀高考数学题型之数列(已下线)2.4+等比数列(1)(基础练)-2020-2021学年高二数学十分钟同步课堂专练(人教A版必修5)(已下线)专题18 等差数列与等比数列-十年(2011-2020)高考真题数学分项(已下线)4.3.1 等比数列(1)(基础练)-2020-2021学年高二数学十分钟同步课堂专练(人教A版选择性必修第二册)(已下线)解密10 等差数列、等比数列(讲义)-【高频考点解密】2021年高考数学(文)二轮复习讲义+分层训练(已下线)解密10 等差数列、等比数列(讲义)-【高频考点解密】2021年高考数学(理)二轮复习讲义+分层训练(已下线)专题06 数列小题(理科)-2(已下线)专题05 数列小题(7类题型,文科)
2014·河北唐山·二模
10 . 在
中,角A,B,C的对边a,b,c成等差数列,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df726d01d35d8c59788faa1872d1b8b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
您最近一年使用:0次
2016-12-02更新
|
2116次组卷
|
4卷引用:2015-2016学年重庆市巴蜀中学高一下期中文科数学试卷
2015-2016学年重庆市巴蜀中学高一下期中文科数学试卷重庆市2021届高三上学期第一次预测性考试数学试题(已下线)2014届河北省唐山市高三年级第二次模拟考试理科数学试卷(已下线)2014届河北省唐山市高三年级第二次模拟考试文科数学试卷