名校
1 . 在平面直角坐标系
中,定义
,
两点的折线距离
.设点
,
,
,
,若
,则
的取值范围___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ff82ebdfad5e7de1c7487b0b817a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a53e311ee0b5085e7e5a45c606daa5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093c6d5bcaa69cea79b24688f5d1bd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada582c3934f21aaac294abb701c41e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c846ac5f5576ebb3fb28bba8012f390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134fc3507b06c25a6cdf06b7ae11f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26767400f6cb0e4b643165aa81916234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44ada1845028dc86c1c122470e71529.png)
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|
1124次组卷
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7卷引用:上海市虹口区2021届高三二模数学试题
上海市虹口区2021届高三二模数学试题(已下线)课时20 三角函数的图像与性质-2022年高考数学一轮复习小题多维练(上海专用)(已下线)第27节 直线的方程与两直线的位置关系-备战2023年高考数学一轮复习考点帮(全国通用)(已下线)专题27 直线与圆的综合应用-1(已下线)专题18 直线和圆的方程(模拟练)-1(已下线)第五篇 向量与几何 专题19 抽象距离 微点2 抽象距离——曼哈顿距离(二)江西省抚州市南城县第二中学2020-2021学年高一下学期第二次月考数学试题
2 . 若矩形
满足
,则称这样的矩形为黄金矩形.现有如图1所示的黄金矩形卡片
,已知
,
,
是
的中点,
,
,且
,沿
,
剪开.用3张这样剪开的卡片,两两垂直地交叉拼接,得到如图2所示的几何模型.若连结这个几何模型的各个顶点,便得到一个正______ 面体;若
,则该正多面体的表面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939670cbfebb6bf5307a4eadacd67c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d6e1e893190c067ca1ae6fef8a089e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b00267f95b3317244d9871a61dcb92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6cc3789c0e9b7d1226aa0de3327599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bced1780d1fd068d0242fa11c18ed5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cc9caac0b40017cde9eb0d610e62aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/ece5fa59-801e-4e1b-bc59-4489812645dd.png?resizew=259)
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2021-05-07更新
|
601次组卷
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4卷引用:江苏省宿迁市2021届高三下学期第三次调研考试数学试题
3 . “中国天眼”是我国具有自主知识产权、世界最大单口径、最灵敏的球面射电望远镜(如图,其反射面的形状为球冠(球冠是球面被平面所截后剩下的曲面,截得的圆为底,垂直于圆面的直径被截得的部分为高,球冠表面积
,其中
为球的半径,
球冠的高),设球冠底的半径为
周长为
球冠的面积为
,则
的值为_______________________ .(结果用
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f6acb4feac41f359e895a1c902c095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f662245ef3eda9a64a66c51ccec119b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f7606459554b3a362dd12f9f7faec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7318e38fcc8ad1b40f448ed7b9703b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264ce204680b68bd24b0de7ffe2ca76d.png)
![](https://img.xkw.com/dksih/QBM/2021/3/14/2677893043232768/2682233026199552/STEM/0a1e387a-235c-432e-b8b2-a969a304a200.png?resizew=404)
您最近一年使用:0次
2021-03-20更新
|
1402次组卷
|
7卷引用:吉林省长春市 2021届高三二模数学(理)试题
名校
4 . 定义方程
的实数根
叫做函数
的“新驻点”.
(1)设
,则
在
上的“新驻点”为___________ ;
(2)如果函数
与
的“新驻点”分别为
、
,那么
和
的大小关系是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f39eae974cdec19ca8b4b3dd4cde5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368c73c5b1fc66954165a11ebd9bba5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
(2)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4174e9955bf066517907df44bcc39d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b021b653fdadb0b2d89951fdaf7e3e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
2021-03-06更新
|
1407次组卷
|
9卷引用:湖南省永州市2021届高三下学期二模数学试题
湖南省永州市2021届高三下学期二模数学试题山东省泰安市新泰市新泰中学2022-2023学年高三上学期第一次月考数学试题(已下线)技巧02 填空题的答题技巧(精讲精练)-2福建省龙岩市上杭县才溪中学2024届高三上学期第一次月考数学试题江苏省南京航空航天大学附属高级中学2020-2021学年高二下学期第二次学情调研数学试题广东省佛山市南海区罗村高级中学2020-2021学年高二下学期阶段一数学试题(已下线)第五章 一元函数的导数及其应用单元测试B卷-【新高考题型】2020-2021学年高二数学单元实战演练AB卷(人教A版2019)湖南师范大学附属中学2021-2022学年高二上学期期末数学试题福建省厦门市同安实验中学2021-2022学年高二下学期第一次月考数学试题
名校
5 . 若以函数
的图像上任意一点
为切点作切线
,
图像上总存在异于
点的点
,使得以
为切点的直线
与
平行,则称函数
为“美函数”,下面四个函数中是“美函数”的是_________ .
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b328c034bc234f2e78beb36468216d.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1281dafd96f19307b1ed30f786bbb8e1.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b328c034bc234f2e78beb36468216d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1281dafd96f19307b1ed30f786bbb8e1.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc877e18ddca2a1a06a9b74fd6b6c588.png)
您最近一年使用:0次
2021-03-06更新
|
414次组卷
|
4卷引用:广东省珠海市2021届高三一模数学试题
6 . 阿波罗尼斯(古希腊数学家,约公元前262-190年)的著作《圆锥曲线论》是古代世界光辉的科学成果,它将圆锥曲线的性质网罗殆尽,几乎使后人没有插足的余地.他证明过这样一个命题:平面内与两定点距离的比为常数
(
且
)的点的轨迹是圆,后人将这个圆称为阿波罗尼斯圆.在平面直角坐标系中,已知
的两个顶点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f358fea0392003ca8b40de8e1f48803.png)
是定点,它们的坐标分别为
、
;另一个顶点
是动点,且满足
.则当
的面积最大时,
边上的高为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0edafce95aade0386bc0d78f679dcf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f358fea0392003ca8b40de8e1f48803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f95dc40eac12c02a39610c778e0d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08ec681dde22cf6c48751861d502013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b697d8c7a0df8d4f5de1091c573a3e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0edafce95aade0386bc0d78f679dcf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
您最近一年使用:0次
名校
7 . 中国传统扇文化有着极其深厚的底蕴.按如下方法剪裁(如图1),扇面形状较为美观.从半径为20 cm的圆面中剪下扇形
,使扇形
的面积与圆面中剩余部分的面积比值为
(
≈0.618,称为黄金分割比例),再从扇形
中剪下扇环形
制作扇面,使扇环形
的面积与扇形
的面积比值为
.则一个按上述方法制作的扇形装饰品(如图2)的面积为________ cm2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520f8abda6a85e7ef6f281fc2df853fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520f8abda6a85e7ef6f281fc2df853fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/0f5afb1d-af98-4935-8b89-c24589ec0d11.png?resizew=393)
您最近一年使用:0次
2021-02-03更新
|
857次组卷
|
4卷引用:甘肃省民乐县第一中学2021届高三押题卷(二)数学(理)试题
8 . 在数学史上,为了三角计算的简便并且更加追求计算的精确性,曾经出现过下列两种三角函数:定义
为角
的正矢,记作
,定义
为角
的余矢,记作
,则下列命题中正确的序号是__________ .
①函数
在
上是减函数
②若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe641b883f8716b0a490bc4abc14618.png)
③函数
,则
的最大值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec96333ce215db10a533acaa92b5103f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b7b2ba487fb7e7063a4f95ea81c94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa4e9543cf87ea835c671998c5f3c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54bbf533362dbef1dae0345afae92f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d456a49a58f1506e307d33e47972f8.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc7013d1463d46c5e208b00d41bc499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc08b681e246016cd05802b234760e0.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559fbc392a97548e1020875885475dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe641b883f8716b0a490bc4abc14618.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57353dfdab44a16aa5800a206383aeb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec96333ce215db10a533acaa92b5103f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99427d458b52bc8e108017b265fd4b07.png)
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2021-01-27更新
|
232次组卷
|
3卷引用:山西省怀仁市2021届高三上学期期末数学(理)试题
名校
解题方法
9 . 黎曼函数(
)是一个特殊函数,由德国数学家黎曼发现并提出,黎曼函数定义在
上,其定义为:当
,若函数是
定义在
上的奇函数,且
,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bca0e17526d5e5613a4c53288c8a214.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3934a24807e1164a3293f932f16ba2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b12f61f384962d0cfa09de2a34926ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c6d9fb4d77e961ed9658c20bd5919d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3193ac70ba9eb54be0ca739290db311a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bca0e17526d5e5613a4c53288c8a214.png)
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|
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4卷引用:山西省怀仁市2021届高三上学期期末数学(文)试题
山西省怀仁市2021届高三上学期期末数学(文)试题山西省怀仁市2021届高三上学期期末数学(理)试题(已下线)专题10 高考中的常青树分段函数-备战2022年高考数学一轮复习一网打尽之重点难点突破福建省南靖县第一中学2021-2022学年高二下学期期中考试数学试题
10 . 通常,我国民用汽车号牌的编号由两部分组成:第一部分为汉字表示的省、自治区、直辖市简称和用英文字母表示的发牌机关代号,第二部分为由阿拉伯数字和英文字母组成的序号,如图所示.其中序号的编码规则为:
![](https://img.xkw.com/dksih/QBM/2021/1/20/2640253283827712/2643603612033024/STEM/bc6a329e434f4d8c83e90f4d2733c949.png?resizew=157)
①由
个阿拉伯数字和除
之外的
个英文字母组成;
②最多只能有
个英文字母.
则采用
位序号编码的鲁
牌照最多能发放的汽车号牌数为______ 万张.(用数字作答)
![](https://img.xkw.com/dksih/QBM/2021/1/20/2640253283827712/2643603612033024/STEM/bc6a329e434f4d8c83e90f4d2733c949.png?resizew=157)
①由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5740cee856406422d237cb7dce1d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e60fbe6820130fb20abc555a94b5ea.png)
②最多只能有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
则采用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
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