1 . 侏罗纪蜘蛛网是一种非常有规律的蜘蛛网,它是由无数个正方形环绕而成.如图正方形
的边长为1,取其四边的三等分点
,
,
,
,作第二个正方形为
,然后再取正方形
各边的三等分点
,
,
,
,作第三个正方形
,依次方法持续下去…,则第7个正方形的周长是______ ,如果这个作图过程可以一直继续下去,则所有这些正方形的周长之和将趋于______ .(填数值)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bf350a619ef25d8d9b988f3db804e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bf350a619ef25d8d9b988f3db804e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2857fac4963b129d99e79dcb3e13d295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ce8c07e34224e2d25130ed27c9a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c266cba73c7b8ad86e52aa34892e2239.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/1dc89f40-0ee9-4fe5-951d-e3705e0eafc5.png?resizew=191)
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2 . 对于三元基本不等式请猜想:设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec197b8ab457cfee3d4733f3d7f8d6f3.png)
_________ ,当且仅当
时,等号成立(把横线补全).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec197b8ab457cfee3d4733f3d7f8d6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44acc0ee22dc4b7750e8be825e7c1355.png)
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3 . 已知复数
满足以下条件:①复数在复平面内对应的点位于第一象限;②复数的模为5;③复数的实部大于虚部,则复数
可以是__________ .(填写一个答案即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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4 . 关于函数
有下列结论:
(1)函数
存在最小值但没有最大值;
(2)函数
存在两个零点,且两个零点的和小于1;
(3)函数
存在唯一的极小值点
,且
;
(4)函数
存在唯一的极大值点
,且
.
其中正确的是__________ .(填写所有正确结论的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2db29e99cb06dfd0d9dbdd3a0d387fd.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caae75ee744fa4662f1dc8fbe3995789.png)
(4)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803d4aab3143f9e43d7a024aab305e9.png)
其中正确的是
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解题方法
5 . 某学习小组研究函数
的性质时,得出了如下的结论:
①函数
图象关于
轴对称;
②函数
图象关于点
中心对称;
③函数
在
上单调递减;
④函数
在
上有最大值
.
其中正确的结论是_____________ (填写所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce99be2e5b11ec124939b2762497963a.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da30f3b77f2318f2000fa009979f04c.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
④函数
![](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/4e8b4bbd2f9912adfc9864c0e1e76a9d.png)
其中正确的结论是
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2023高三·全国·专题练习
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6 . 设函数
.
①
的最小正周期为
;
②
的最大值为
;
③
在区间
上单调递减;
④
,都有
成立;
⑤
的一个对称中心为
.
其中真命题有__ (请填写真命题的编号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46dd437be27a25573f6b3022e71c940b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1757e619302565f3805a658f48fa48ed.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4b3a8871db62a8344b5fb30cadfaac.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485db61a2755dc46e42f0554649d7a3f.png)
其中真命题有
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7 . 已知函数
,给出以下说法:
①当
时,
有三个零点:②过
的直线与
和
都相切,则
;
③若
,则
;④
的图象的对称中心为
.
其中说法正确的有________ .(填写所有正确说法的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c26ca70f2598f34885b61eac85e010.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b3a98af50d483a66026b8179e93c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0b28126fc71f25ea7e92be595b26f3.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d8d4a04bcba8f18260d0018383824f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859f10c0e95f7ae1e975e33d123a28e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc085f908df6ac3702da90e091eb20e.png)
其中说法正确的有
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8 . 设
,则满足
在
上恒正的
是__________ .(填写序号)
①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89a66279f77b21261b88012a6ac7818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfb6c182e6983236c9b3af89111dd17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934577743726d3fb09c2dea88430b991.png)
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2023-03-06更新
|
601次组卷
|
5卷引用:上海市2023届高三模拟数学试题
上海市2023届高三模拟数学试题湖南省长沙市师大附中梅溪湖中学(湖南师大附中梅溪湖中学)等2校2023届高三下学期3月联考数学试题甘肃省武威市凉州区2022-2023学年高二下学期期中考试数学试题广东省佛山市禅城实验高级中学2022-2023学年高二下学期3月月考数学试题(已下线)核心考点08导数的运算-【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)
9 . 甲、乙、丙三人每人从写有整数
,
,
的三张卡片中各摸出一张,并按卡片上的数字取出相同数目的石子,放回3张卡片算做完一次游戏,然后再继续进行.当他们做了
次游戏后,甲有16粒石子,乙有9粒石子,丙有8粒石子,并且知道最后一次丙摸的是写有整数
的卡片,那么第一次游戏时,甲、乙、丙三人中摸到写有整数
的卡片是____________ .(从甲、乙、丙中选择一个填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0747ce04b1ed9c4b4efdca8fec5bcfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a752003687cd0a2267bc914da398e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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解题方法
10 . 下列关于函数
的判断正确的是___________ (填写所有正确的序号).
①
的解集是
;②
是极小值,
是极大值;③
没有最小值,有最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eec63a39bdb95603fb86a07889a43b7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3675b91a7bdeed64e0d5b7aab2e617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fe45ecd5d507adc2e7ffc1b1755856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb71ad742b421a7ba62d8c1923d33358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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