1 . 已知数列
和
,设
,
,
,则( )
![](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/11f56e14765e0275bd98aedd8f021975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638baab21fc1218c89671cb871af4648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f926978fad9cdc89916a5272479d17.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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名校
2 . 观察数列:①
;②正整数依次被4除所得余数构成的数列
;③
.
(1)对以上这些数列所共有的周期特征,请你类比周期函数的定义,为这类数列下一个周期数列的定义:对于数列
,如果________________,对于一切正整数
都满足___________________成立,则称数列
是以
为周期的周期数列;
(2)若数列
满足
,
为
的前
项和,且
,求数列
的周期,并求
;
(3)若数列
的首项,
,且
,判断数列
是否为周期数列,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d9f608508a65794125b39e67b98eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6d15b3f5b6f23a9cb341ff3e43f215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078205bbd0d854b6aaf5aa6e0a772723.png)
(1)对以上这些数列所共有的周期特征,请你类比周期函数的定义,为这类数列下一个周期数列的定义:对于数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff13e48f70a467d750be8179c63f534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6492a4d97fd8f988963cf177ec14fcb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbf62141da783d700923fa2d17b9ae0.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f61c2e3ee306d0c805f54f83761f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9cef966e838bf77be9b00d410741c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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名校
3 . 记直线
为曲线
的渐近线.若
,过
作
轴的垂线交
于点
,过
作
轴的垂线交
于点
,再过
作
轴的垂线交
于点
依此规律下去,得到点列
,
,
,
和点列
,
,
,
,
为正整数.记
的横坐标为
,
.
(1)求数列
的通项公式;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12bd6e24e93d8cfe307e67e41f052ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3032022198160740d6aee8e740d5337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795f507b37862a6ff9ce0bf8dcfa0e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a6c0efd90686969a588b4fa1a23ace.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66d267e03d934c60c93469e0f31719c.png)
您最近一年使用:0次
2023-08-01更新
|
370次组卷
|
2卷引用:广东省珠海市第一中学2022-2023学年高二上学期期末数学试题
解题方法
4 . 已知数列
满足
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cae75fa078f0961c2966220d895b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92aa912f0e077e18b40bcb2d35de084.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知在数列{an}中,
,且
对任意n∈N*恒成立.
(1)求证:
(n∈N*);
(2)求证:
(n∈N*).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a564595e470d31c824b99575a53f9cc.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c21da6f75a0c2fa4f59fe13390d4c87.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002073d4bef2d46f09f9be51d0e02618.png)
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名校
6 . 已知数列{
}的前n项和为
,
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70510d7b953210b5f359909a7794cb4.png)
A.![]() | B.存在![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2022-11-11更新
|
1000次组卷
|
4卷引用:福建省龙岩市一级校联盟(九校)联考2023届高三上学期期中考试数学试题
福建省龙岩市一级校联盟(九校)联考2023届高三上学期期中考试数学试题江苏省盐城市第一中学2022-2023学年高三上学期12月学情调研(五)数学试题广东省广州市华南师范大学附属中学2022-2023学年高二上学期阶段测试(二)数学试题(已下线)专题1 数学归纳法及其变种 微点3 数学归纳法综合训练
名校
7 . 记实数
、
中较小者为
,例如
,
,对于无穷数列
,记
.若对任意
均有
,则称数列
为“趋向递增数列”.
(1)已知数列
、
的通项公式分别为
,
,判断数列
、
是否为“趋向递增数列”?并说明理由;
(2)已知首项为
,公比为
的等比数列
是“趋向递增数列”,求公比
的取值范围;
(3)若数列
满足
、
为正实数,且
,求证:数列
为“趋向递增数列”的必要非充分条件是
中没有
.
![](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/6323f3d42a8c329f1231a4183cca21c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d009da28dbbec2e0493e504b153d5e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467d1e5a0787b9a3d892291abc5216a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70642e7d9ccc8591908f12eea59c9daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf5776ec7059c208daf01ca48a34915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34916ec3b585a5926485d45191591e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)已知数列
![](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/ccbb83894b8870017f24b5649ddc6360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4412c62615c55a6f09fcd4d54b10488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)已知首项为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d42b37737d111c9e40136a4aa3266f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
您最近一年使用:0次
2022-11-06更新
|
1496次组卷
|
8卷引用:上海市徐汇区2022届高三下学期二模数学试题
上海市徐汇区2022届高三下学期二模数学试题(已下线)第10讲 数学归纳法与数列综合应用 - 1(已下线)专题06数列必考题型分类训练-3上海市复旦大学附属中学2022-2023学年高二上学期期末数学试题(已下线)专题1 数学归纳法及其变种 微点3 数学归纳法综合训练(已下线)模块九 数列-2(已下线)专题8 等比数列的单调性 微点1 判断等比数列单调性的方法(已下线)核心考点06数列-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)
名校
解题方法
8 . (1)已知函数
,
,
.
(i)记
.证明:
.
(ii)若
,记此时
的两个零点为
.证明:
;
(2)某药物研究所为筛查某种超级细菌,需要检验血液是否为阳性,现有
份血液样本,每个样本取到的可能性相等,有以下两种检验方式:(1)逐份检验,则需要检验
次;(2)混合检验,将其中
(
且
)份血液样本分别取样混合在一起检验,若检验结果为阴性,则这
份的血液全为阴性,因而这
份血液样本只要检验一次就够了;如果检验结果为阳性,为了明确这k份血液究竟哪几份为阳性,就要对这k份再逐份检验,此时这
份血液的检验次数总共为
次.假设在接受检验的血液样本中,每份样本的检验结果是阳性还是阴性都是独立的,且每份样本是阳性结果的概率为
现取其中
(
且
)份血液样本,记采用逐份检验方式,样本需要检验的总次数为
,采用混合检验方式,样本需要检验的总次数为
若关于
的函数关系式
与抗生素计量
相关,其中
是不同的正实数,满足
,对任意的
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d7a5d9e1b002a559f9575f7017821f.png)
(i)证明:
为等比数列;
(ii)当
时,采用混合检验方式可以使得样本需要检验的总次数的期望值比逐份检验的总次数期望值更少,求
的最大值.
参考数据:
,
,
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6367c2fdf726ea621a2e6eec491f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117e0822b792b6fffd0759ed1f12a092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650724afadd92e9fed35323bada1e250.png)
(i)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04969b3af090b8bcf6676213c07dbd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a3a6e320ad6bdaf612abe51fc35430.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0423d25caf95719ae78dfa63ebf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ca3aa2d1ba52e82613d0d65d800e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a69ebea2771e281dda05067407fdb.png)
(2)某药物研究所为筛查某种超级细菌,需要检验血液是否为阳性,现有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1d8cb672db61735be7cbcd3d50bf9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef96396caccbf2f959e9d233f060317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00f4eb7f1bd2ccefbabf0c1dfa8f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71d95dc3dd285ca8a89684c2fcadd4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6bc55d5eb2c3d085b62ffcd8d138d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f293825ec8aead6d83c0d937bebd78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f2924fac3052533c2e9002114637f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb00792538f7ae7cd3303b465fada7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5755d03584ea4338a89ad6fb6e8a8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f27dc8afa450f3ffb6506fafe7badf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d7a5d9e1b002a559f9575f7017821f.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(ii)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/593f989a1d3977debae9a3010616ded5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0591d9f78b4f4f78c5bd6baaa602ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ad328bffb5f497153dc0e59939257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4086cd22f9543d857140a3a8e0a7fec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3616e69114889d5d02099b6598a57136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401bda9057eb0da43fba681130b558f3.png)
您最近一年使用:0次
9 . 电子计算机是二十世纪最伟大的发明之一,当之无愧地被认为是迄今为止科学和技术所创造的最具影响力的现代工具,被广泛地应用于人们的工作和生活之中,计算机在进行数的计算和处理加工时,内部使用的是二进制计数制,简称二进制.一个十进制数n(n∈N*)可以表示为二进制数(a0a1a2…ak)2,即
,其中a0=1,ai∈{0,1},i=0,1,2,…k,k∈N*,用f(n)表示十进制数n的二进制表示1的个数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d104b50ec3fcb87ec26f71de4bd0d20.png)
A.f(7)=2 |
B.f(7)=3 |
C.对于任意r∈N*,![]() |
D.对于任意r∈N*,![]() |
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10 . 已知数列
的前
项和为
,且
对于
恒成立,若定义
,
,则以下说法正确的是( )
![](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/204fe825361c413ddc828c5505476789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac657ea5bbf4b237a30e4074c76cc81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac64b041aafdf33ee9816f4d70175a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8665563867d19ec3a09ba96cabb0a8f4.png)
A.![]() | B.![]() |
C.![]() | D.存在![]() ![]() |
您最近一年使用:0次
2022-04-07更新
|
2507次组卷
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7卷引用:湖北省二十一所重点中学2022届高三下学期第三次联考数学试题
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