名校
解题方法
1 . 在
中,角
,
,
的对边分别为
,
,
,若
,
边的中线长为1,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7541af3ec6f51a1db551d1309a7709f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
2 . 已知函数
定义在
上,
,满足
,且数列
,
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0d8163d0b3037cc011721f533bb5a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bf92155f517ac547552711d7e1804d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195fc747e2fc50cb6df2c844d51e4d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4448b10094d46d4aeb2fd8f0aa4635c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee37081e5a640d81b98e3fe27471c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
3 .
是定义在
上函数,满足
且
时,
,若对任意的
,不等式
恒成立,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62826e5114ece563439421509970dc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00846f601eafd92107d83f9b6b8aac65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc07023bac3403733f56a980d9302fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-12-13更新
|
417次组卷
|
2卷引用:辽宁省本溪市重点高中2020-2021学年高二12月月考数学试题
名校
解题方法
4 . 当
时,函数
(
,且
)的图象恒在函数
的图象下方,则a的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4696bfeca97e641cf4fe56774059782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88608790d85e880a6a84a5e4f926b82e.png)
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2020-12-04更新
|
1027次组卷
|
12卷引用:吉林省通化市辉南县第一中学2020-2021学年高一上学期12月月考数学试题
吉林省通化市辉南县第一中学2020-2021学年高一上学期12月月考数学试题安徽省滁州市定远县第二中学2020-2021学年高一上学期第三次调研考试数学试题吉林省松原市宁江区吉林油田高级中学2020-2021学年高一上学期期中数学试题安徽省蚌埠市禹王中学2020-2021学年高一上学期第四次月考数学试题黑龙江省哈尔滨市双城区兆麟中学2022-2023学年高一上学期期中联考数学试题(已下线)第02讲 指数函数-【帮课堂】2021-2022学年高一数学同步精品讲义(人教A版2019必修第一册)(已下线)4.2指数函数-2021-2022学年高一数学同步辅导讲义与检测(人教A版2019必修第一册)安徽省合肥世界外国语学校2022-2023学年高一上学期第二次阶段考试数学试题辽宁省本溪市高级中学2022-2023学年高一上学期12月月考数学试题沪教版(2020) 必修第一册 精准辅导 第4章 4.2(2)指数函数的性质上海市上海师范大学附属中学2022届高三上学期10月月考数学试题内蒙古乌兰浩特市第四中学2022-2023学年高一上学期第三次月考数学试题
名校
解题方法
5 . 如图,在直三棱柱
中,点
为棱
上的点.且
平面
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21f1d9dd461abd86666a1bcaa6140a3.png)
________ .已知
,
,以
为球心,以
为半径的球面与侧面
的交线长度为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd597851c0db4e4de4769e10e09383b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5888bec948373f3854258ad80171073d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21f1d9dd461abd86666a1bcaa6140a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c330e73dbbf9e2c0f2fb755461e3c898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71807a35b3170fce28ee6edf4c00d083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/16/807cd38a-1133-40a9-aed3-e6791082482c.png?resizew=151)
您最近一年使用:0次
2020-12-03更新
|
1551次组卷
|
9卷引用:山东省潍坊市2020-2021学年第一学期高二期中考试数学试题
山东省潍坊市2020-2021学年第一学期高二期中考试数学试题黑龙江省佳木斯市富锦市第一中学2022-2023学年高一下学期期末数学试题(已下线)8.4 空间直线、平面的平行--2020--2021高中数学新教材配套提升训练(人教A版必修第二册)(已下线)专练30 期中综合检测卷(B卷)-2021-2022学年高二数学上册同步课后专练(人版A版选择性必修第一册)(已下线)第10练 空间点、直线、平面的位置关系-2022年【暑假分层作业】高一数学(人教A版2019必修第二册)湖南省长沙市长郡中学2021-2022学年高一下学期期末数学试题江苏省南京市第二十九中学2022-2023学年高二上学期10月月考数学试题山西省平遥中学校2021-2022学年高二上学期期中数学试题山东省潍坊市寿光现代中学2022-2023学年高二上学期11月综合二数学试题
名校
6 . 已知函数
是定义域为
的奇函数,且当
时,
,若函数
有六个零点,分别记为
,则
的取值范围是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb59a4b098a3f61285363a37a9fa567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fb1075026feeab3dcd9521762cf172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4430d542ab6e63baed2e527f538b47b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1dfddd6d436ec9e813451f83bd2c389.png)
您最近一年使用:0次
2020-12-02更新
|
1605次组卷
|
7卷引用:黑龙江省哈尔滨师范大学附属中学2020-2021学年高三上学期期中考试数学(理)试题
7 . 双曲线
:
(
,且
),点
在双曲线上且在第一象限,其横坐标为2,由
向
的两条渐近线作垂线,垂足分别为
,
.设
的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96f7cec2e6acd07dfa442ddf67a4f49.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc31dcdb99754fc452ff2b92a2fb8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e2987c642c47a0a9ad37eb1fd12c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7692514a24939fee3c3fed6e699cbd64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc31dcdb99754fc452ff2b92a2fb8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea30e7a3f7c68487d8bb224909b9455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aeb2c7ac74877047fa4ec9abbdbd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96f7cec2e6acd07dfa442ddf67a4f49.png)
您最近一年使用:0次
2020高三·全国·专题练习
解题方法
8 . 已知首项均为
的等差数列
与等比数列
满足
,
,且
的各项均不相等,设
为数列
的前
项和,则
的最大值与最小值之差的绝对值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4ac224f9d716138bfa895691b1e9da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab69f14c8d3a68fe7532e0f8d69c6d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456d7beba49f1859f59e8d06da356fce.png)
您最近一年使用:0次
2020-11-27更新
|
329次组卷
|
3卷引用:专题36 不等式综合练习-2021年高考一轮数学单元复习一遍过(新高考地区专用)
(已下线)专题36 不等式综合练习-2021年高考一轮数学单元复习一遍过(新高考地区专用)黑龙江省佳木斯市三校2023-2024学年高二下学期4月期中联考数学试题沪教版(2020) 一轮复习 堂堂清 第四单元 4.6 数列的应用(一)
9 . 已知正四面体
的棱长为
,点
是
的中点,点
在线段
上,则下面四个命题中:
①
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68dfd32a77c3615069ad1e7eb5b226a5.png)
②
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd17e18d058b8f3f3b6eff3eb575a91.png)
③
,
与
不垂直
④
,直线
与平面
夹角正弦的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
所有不正确的命题序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1e190034fcecba11c9a877c641e5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68dfd32a77c3615069ad1e7eb5b226a5.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3afbcc4d977e7c955a4e266e26bf4a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd17e18d058b8f3f3b6eff3eb575a91.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1e190034fcecba11c9a877c641e5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3afbcc4d977e7c955a4e266e26bf4a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
所有不正确的命题序号为
您最近一年使用:0次
2020-11-15更新
|
533次组卷
|
2卷引用:黑龙江省嫩江市高级中学2020-2021学年高三上学期12月月考数学(理)试题
名校
解题方法
10 . 已知数列
的前n项和为
且
.若
+5≥(2-λ)n对
都成立,则实数
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad593fdc598919599858744dfd8f254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e02d9b12c4fa54610e25e45159c7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4f97a9388c7326dfa22b8b69dc98db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac657ea5bbf4b237a30e4074c76cc81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-10-26更新
|
566次组卷
|
9卷引用:云南省红河州2020届高三第一次复习统一检测数学(理)试题
云南省红河州2020届高三第一次复习统一检测数学(理)试题云南省红河州2020届高三高考数学(理科)一模试题江苏省无锡市第三高级中学2020-2021学年高二上学期10月基础测试数学试题黑龙江省哈尔滨市顺迈学校高中部2022-2023学年高二下学期3月月考数学试题(已下线)第21练 数列的概念及其表示-2021年高考数学(理)一轮复习小题必刷江西省临川第十中学2021-2022学年高二上学期第一次月考数学(理)试题(已下线)第4章《数列》 培优测试卷(三)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)河南省商丘市第一高级中学2022-2023学年高二上学期期末数学试题(已下线)期末真题必刷压轴60题(22个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)