1 . 如图,动点
从边长为2的正方形的顶点
开始,顺次经过点
绕正方形的边界运动,最后回到点
,用
表示点
运动的的路程,
表示
的面积,求函数
.(当点
在
上时,规定
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03a01b71e0b2639b455686eeca9c23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2cc5f8cec8c498aa12c99c04e1c97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a921e7b06e109bebb28cc715d322b183.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/7ee1b499-0c01-4874-b81a-39ec0cff2834.png?resizew=116)
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2 . 如图是体育公园步道示意图.从A处测得点B在北偏东
,测得点C在北偏东
,在点C处测得点B在北偏西
,
米.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/ba937be0-418e-491a-9371-8d9f206d1e3f.png?resizew=173)
(1)求步道
的长度(结果保留根号);
(2)游客中心Q在点A的正东方向,步道
与步道
交于点P,测得
,小明和爸爸分别从B处和A处同时出发去游客中心,小明跑步的速度是每分钟
米,请计算说明爸爸的速度要达到每分钟多少米,他俩可同时到达游客中心.(结果精确到0.1)(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a4c9b697e3df2b5469b71d3b5e47a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f194bc021c012d8f373535be3c249e23.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/ba937be0-418e-491a-9371-8d9f206d1e3f.png?resizew=173)
(1)求步道
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)游客中心Q在点A的正东方向,步道
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9caf47639ff9218ef27068ee10c265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda23637a152ef2a22245957e16cc5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52881be613aa404e553da30d8987cfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47bb3f35e3db7c1f3a3dd3eb20151b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dad09268b7cb8bfcbea010cb6d2a29e.png)
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3 . 如图,正方形
的对角线相交于点
,点
又是正方形
的一个顶点,而且这两个正方形的边长相等.下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/054e10da-36ce-424b-9df0-8a0c1089b351.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4635a4e561d862638f6818e85e74bfd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/054e10da-36ce-424b-9df0-8a0c1089b351.png?resizew=156)
A.![]() |
B.正方形![]() ![]() ![]() ![]() |
C.△BEF周长的最小值为![]() |
D.![]() |
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4 . 已知:如图,在平面直角坐标系中,直线
与x轴交于点A,与y轴交于点B.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/85ff9999-3e91-4014-9125-81bbc29a2173.png?resizew=288)
(1)若点C为直线AB上第二象限的点,且
,求点C的坐标;
(2)在(1)的条件下,直线AB上是否存在点Q,使得
OAQ与
BOC相似,若存在,求出点Q的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca621dc42304f844ac15dad7062d3959.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/85ff9999-3e91-4014-9125-81bbc29a2173.png?resizew=288)
(1)若点C为直线AB上第二象限的点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede577287237c6ce64ea220d6fb0ee0f.png)
(2)在(1)的条件下,直线AB上是否存在点Q,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
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5 . 如图,
中,
,
,
,P是
内部的一个动点,满足
,则线段CP长的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/5678b3e0-245d-4795-9a96-efe5982e84e0.png?resizew=130)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab546e81ccaef75153d97e65b1ce978.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/5678b3e0-245d-4795-9a96-efe5982e84e0.png?resizew=130)
A.![]() | B.2 | C.![]() | D.![]() |
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6 . 阅读理解:高斯上小学时,有一次数学老师让同学们计算“从1到100这100个正整数的和”.许多同学都采用了依次累加的计算方法,计算起来非常烦琐,且易出错.聪明的小高斯经过探索后,给出了下面漂亮的解答过程.
解:设
①,则
②,
①+②,得
.
(两式左右两端分别相加,左端等于2S,右端等于100个101的和)
所以
,
③,所以
.
后来人们将小高斯的这种解答方法概括为“倒序相加法”
计算:
= _____ .
解:设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d05f7125540086a961efd2afddb588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4663fd551144091fcd826a6ecd7a9603.png)
①+②,得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6800c25d59d4bf730f469ce16412a7fe.png)
(两式左右两端分别相加,左端等于2S,右端等于100个101的和)
所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46540f510d1f3537e0453ebb1bd6e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9c674c761493e544d7af9bb5046a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac52232d822e91ac25df49702ba8c71.png)
后来人们将小高斯的这种解答方法概括为“倒序相加法”
计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d7c6e74c5501a04785b710ffe91ec6.png)
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7 . 如图,以
的两边
分别向外作等边
和等边
,
与
交于点P,已知
.
![](https://img.xkw.com/dksih/QBM/2024/1/22/3416677041340416/3419628471492608/STEM/2813bd9be9c047ab9beded363954ed75.png?resizew=156)
(1)求证:
;
(2)求
的度数及
的长;
(3)若点Q、R分别是等边
和等边
的重心(三边中线的交点),连接
,作出图象,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97898c0102c6bc620abb5ab7442550bf.png)
![](https://img.xkw.com/dksih/QBM/2024/1/22/3416677041340416/3419628471492608/STEM/2813bd9be9c047ab9beded363954ed75.png?resizew=156)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ccd24d1cdb7db9844a4c20c62970a2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add18fdf2049abff08a687b950f1cc1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
(3)若点Q、R分别是等边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1168cd6865542e2a2efe6f6f21caa214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7b816eca15d4b7d060013df53edd53.png)
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8 . 已知关于
的分式方程
有整数解,且关于
的不等式组
的解集为
,求满足条件的整数
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b33f510d5ab5bea1b2b22233124aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff5a8234382cde49a0f5b253155bd0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec336faee8689281a6f6b465e7fcff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.﹣4 | B.﹣2 | C.﹣1 | D.1 |
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9 . 已知等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8430c0f580ff69646229842c38fab9.png)
(1)若
均为正整数,求
的值;
(2)设
,
分别是分式
中的
取
(
>
>2)时所对应的值,试比较
的大小,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8430c0f580ff69646229842c38fab9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6703fce72e701fd5d9be3e25448d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9724cf149ccc974596673c8aaae9558f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e327c14ae50f0f10478a6c751c26fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
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10 . 在初中数学文化节游园活动中,被称为“数学小王子”的王小明参加了“智取九宫格”游戏比赛,活动规则是:在九宫格中,除了已经填写的三个数之外的每一个方格中,填入一个数,使每一横行、每一竖列以及两条对角线上的3个数之和分别相等,且均为m.王小明抽取到的题目如图所示,他运用初中所学的数学知识,很快就完成了这个游戏,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
16 | ||
7 | ||
4 |
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2023-11-23更新
|
82次组卷
|
2卷引用:贵州省贵阳市北京师范大学贵阳附属中学2023-2024学年高一下学期3月第一届“圆周率”杯竞赛数学试题