1 . 如图是8个台阶的示意图,每个台阶的高和宽分别是1和2,每个台阶凸出的角的顶点记作
(
为
的整数).函数
的图象为曲线
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/caf6e77f-62c0-4b9a-b59e-967504c9a71b.png?resizew=197)
(1)若
过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ .
(2)若
过点
,则它必定还过另一点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
(3)若曲线
使得
这些点分布在它的两侧,每侧各4个点,则
的整数值有__________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e74be91bfe4bc209da7539dbf9b72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee9ff72d210845d3dfd48842e448d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cb90e72041e9139d4964f529ae1728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/caf6e77f-62c0-4b9a-b59e-967504c9a71b.png?resizew=197)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2114a0fe21dc0e5bf831c146ef02b113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e74be91bfe4bc209da7539dbf9b72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(3)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513bdca9473fc5263b449f58945ac5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 如图所示,将一个半径
,圆心角
的扇形纸板放置在水平面的一条射线
上,在没有滑动的情况下,将扇形
沿射线
翻滚至
再次回到
上时,
运动的路线长为__________
.(计算结果不取近似值)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae1859ae3035da683f926f3d7ddf9bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f05d0ebdc824907a12cd725d1b3011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/53ebc70a-cabb-4af9-b88e-b942e11e6f3b.png?resizew=363)
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3 . 匈牙利著名数学家爱尔特希(P.Erdos,1913-1996)曾提出:在平面内有
个点,其中每三个点都能构成等腰三角形,人们将具有这样性质的
个点构成的点集称为爱尔特希点集.如图,是由五个点
构成的爱尔特希点集(它们为正五边形的任意四个顶点及正五边形的中心构成),则
的度数是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d1ff865f265f5f66345d554a37603a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565d0de7845e77737b774e8db6d43ee1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/6dfae4e0-b730-48c7-9cd6-d7c2ec77019e.png?resizew=167)
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4 . 如图,在
中,
,分别以点
为圆心,以大于
的长为半径画弧,两弧分别交于点
,作直线
交
点
;以点
为圆心,适当长为半径画弧,分别交
于点
,再分别以点
为圆心,大于
的长为半径画弧,两弧交于点
,作射线
,此时射线
恰好经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
__________ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f1910ea311f93b4f157b5464273a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffea75cc9ccdb9371d82864d1dd086f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ae536809b1161fd4e83fdc7f42be96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ae536809b1161fd4e83fdc7f42be96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d092504d3c33c48be43f23b788efd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/93b4a46f-8dbd-4ad8-86a7-f26f7f0d4d85.png?resizew=202)
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5 . 盒子里有36个红球和白球,甲、乙、丙各拿了其中的12个(都含有红球与白球).已知甲拿的红球数是乙的白球数的2倍,乙拿的红球数是丙的白球数的2倍.又知红球的总数是奇数,则盒子里白球的个数一共有___________ .
您最近一年使用:0次
6 . 如图,在平面直角坐标系
中,正方形
的顶点坐标分别为
、
、
、
,点
绕点
旋转180°得点
,点
绕点
旋转180°得点
,点
绕点
旋转180°得点
,点
绕点
旋转180°得点
,点
绕点
旋转180°得点
,重复操作依次得到点
,则点
的坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3544997cc034ed882c0d0a3bdbf5f957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2f117dc9adcb8fa7acf25bd2cbf283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdfbae913ff7ff8caaefcaacf8c20ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31238877eec10d1c04ddda5b2126457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3b8f9927fe9cb014fca5836648b8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391d23b5ffaf0444a1d1a1550a0f3527.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/1d6bea33-8119-4ec2-9cf0-2c66daa90a59.png?resizew=160)
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7 . 如图,用6个全等的三角形拼成一个内外都是正六边形的图形,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6877ef28e231e69cfbef3907d367743.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87f9586b708869fd7186e75a75c1dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26e32412868f3dcb5cad62c8a836778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6877ef28e231e69cfbef3907d367743.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/50c4a305-2880-4f88-8b44-94158ac18f52.png?resizew=161)
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名校
8 . 如图,直线
与抛物线
的图象都经过y轴上的D点,抛物线与x轴交于A,B两点,其对称轴为直线
,且
.直线
与x轴交于点C(点C在点B的右侧).则下列判断:①
;②
;③
;④
;⑤
中,正确的是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffe3400ea9733d0a16ffa44dc0fab4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c35c43d90814396ff06336fa45e9650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffe3400ea9733d0a16ffa44dc0fab4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727b2f9ed96487c6d08bc26e647f76d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddda0910855d8aceb007c598f6e16fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc4f9d84d62fff4d43ef15dccfb35af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe67a36e04a834d1b216614f06d7d566.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/6c0a7228-1aa3-4600-8843-4121bc8cb657.png?resizew=184)
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2023-07-05更新
|
82次组卷
|
2卷引用:广东省佛山市顺德区第一中学2020-2021学年高一上学期新生入学数学试题
名校
9 . 如图,直线
与坐标轴交于A,C两点,过A,O,C三点作
,点E为劣弧
上一动点(不与A,O两点重合),连结
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1618f254adeb57bcf83bab32b6c792b7.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ecf67f53e3f0b5c54a8233c44d6562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0385df6c7f8ee7ab503b6ed35933695b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90c780dac29ff8b7df5881d3b33abab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1618f254adeb57bcf83bab32b6c792b7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/1e4e0736-6e91-4f4c-8eb1-a8c99c68de08.png?resizew=159)
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名校
10 .
四支足球队进行单循环赛(每两队都要比赛1场且只比赛1场),胜一场得3分,负1场得0分,平局各得1分.已知:①此赛结果没有两队的积分相同;②
没有平局,
平2局;③
净胜球
个;④
净胜球
个;⑤
净胜球1个.问
与
比赛的净胜球数为__________ (净胜球
进球数一失球数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db2ca6d163be93b18959beb75ac588b.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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