名校
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1 . 意大利著名数学家斐波那契在研究兔子繁殖问题时,发现有这样一列数:1,1,2,3,5,8,13,…,其中从第三个数起,每一个数都等于它前面两个数的和,人们把这样的一列数所组成的数列
称为“斐波那契数列”,那么
是斐波那契数列中的第________ 项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e91e222cf0faae6630a076b12ab3c1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/1dc28e7a-d701-4c10-9c94-c1c3c3e4e6f9.png?resizew=327)
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2 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc278cd6273c5ebe59ffe62bd036389c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad1452a51adae3a39f3c88c2070353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45199899c9b24f9aaf8b3778bd83941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc278cd6273c5ebe59ffe62bd036389c.png)
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3 . 一批零配件的次品率为0.01,从这批产品中每次随机取一件,有放回地抽取1000次,
表示抽到的次品数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc23dc1709498e8920d7d243213190b2.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc23dc1709498e8920d7d243213190b2.png)
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2020-03-03更新
|
609次组卷
|
3卷引用:1号卷·A10联盟2022届全国高考第一轮总复习试卷数学(理科)试题(二十一)
4 . 以下排列的数是二项式系数在三角形中的几何排列,在我国南宋数学家杨辉1261年所著的《详解九章算法》书里就出现了.在欧洲,这个表叫做帕斯卡三角形.它出现要比杨辉迟393年.那么,第19行第18个数是_____________________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/65c767ba-135e-460a-8428-36de9bea8ea5.png?resizew=239)
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2020-02-23更新
|
231次组卷
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2卷引用:2019届黑龙江省哈尔滨市第三中学校高三第四次模拟数学(文)试题
5 . 如图所示的太极图是由黑白两个鱼形纹组成的圆形图案,展现中国文化阴阳转化、对立统一的哲学理念.定义:图象能将圆的周长和面积同时等分成两部分的函数称为圆的一个“太极函数”,则下列命题正确的是___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/dc52176c-9c79-49dd-a690-0721c0b60472.png?resizew=128)
(1)函数
可以同时是无数个圆的“太极函数”;
(2)函数
可以是某个圆的“太极函数”;
(3)若函数
是某个圆的“太极函数”,则函数
的图象一定是中心对称图形;
(4)对于任意一个圆,其“太极函数”有无数个.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/dc52176c-9c79-49dd-a690-0721c0b60472.png?resizew=128)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c35ce902e1a90d5cf9ab3fa5766e786.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(4)对于任意一个圆,其“太极函数”有无数个.
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6 . 如图,双曲线
的两顶点为
,
,虚轴两端点为
,
,两焦点为
,
,若以
为直径的圆内切于菱形
,切点分别为
,
,
,
.则
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/40c2b8ee-fbd5-4d8d-9bbe-7939b5cbeb31.png?resizew=184)
(1)双曲线的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
______ ;
(2)菱形
的面积
与矩形
的面积
的比值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473913c0887bb64d386f4c02f1853452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e694ed4fd4d76f641a4212908c0aa55a.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/40c2b8ee-fbd5-4d8d-9bbe-7939b5cbeb31.png?resizew=184)
(1)双曲线的离心率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
(2)菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e694ed4fd4d76f641a4212908c0aa55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
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2020-02-15更新
|
511次组卷
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2卷引用:重庆市西南大学附属中学校2020届高三上学期第五次月考(理)数学试题
7 . 设
表示正整数n的个位数字,记
,M是
的前4038项的和,函数
,若函数
满足
,则数列
的前2020项的和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa84e7ee75eceab175b6787b3713cf50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e787c55a04fb72ffe5be03eab5246e4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824182584baf60ccbfd5864ec6dafe81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa27ba56efc984f0ecd205c8b49774a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8f8795cea4095aaaf501e96ff60bdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b68624a53f6eb1afb66d6c98f3ffed.png)
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2020-02-15更新
|
366次组卷
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2卷引用:重庆市第十一中学校2019届高三下学期5月月考(理科)数学试题
8 . 对于各数互不相等的整数数组
(其中
是不小于3的正整数),若
,当
时,有
,则称
,
为该数组的一个“逆序”,一个数组中所有“逆序”的个数称为该数组的“逆序数”,如数组
的逆序数等于2.
(1)数组
的逆序数等于______ .
(2)若数组
的逆序数为
,则数组
的逆序数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536d5e70a2caf72151735ca04b55a3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67a74de6c2731a0a66887f4994db2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4610754dff007c541aa4887d8705329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8149ae00fb94a16b872a4d1ee311fea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10d9894335fb59c22f8f5d6a0f67c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faee37d6362a556db87dab0e55c6bb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5544683f4edb34893ecf99b802ecc0.png)
(1)数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464b773618cb4a5c2d1d44f8c1c0031a.png)
(2)若数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536d5e70a2caf72151735ca04b55a3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b541a463ca4314552efddf567ee921e0.png)
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9 . 已知函数
函数,若函数
恰有3个零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a98fd04f0220d9027ef13abde5dda1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a290a3e654931ddf831363c340d3299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 定义函数
,其中
表示不小于
的最小整数,如
,
.当
时,函数
的值域为
,记集合
中元素的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab342d472fe409e73bee1be8a61774d3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90455c0d197e72cce9591f005739447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f344fd588492f8bcbb5f55b2946ea735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddffa0c43a184cd7a2b43a645f46ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6da80ad94ab5ac73d5f69c2131a495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08dbc86aa7e43ee1d538ebd7d997fc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab342d472fe409e73bee1be8a61774d3.png)
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2021-09-20更新
|
374次组卷
|
6卷引用:2015届湖北省黄冈中学高三上学期期中考试理科数学试卷