2010高一·河南·竞赛
1 . 用如图所示的两个转盘做游戏,第一个转盘为圆形,
为圆心,且
;第二个转盘为矩形,
为矩形的中心,且
.若同时转动两个转盘,则转盘停止后指针同时指向
的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d091522bc322c371d81c2a2028543bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e5a2118bd63969f4b0cc6b9e868867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/c3902e04-96fc-4572-878f-24437063f49f.png?resizew=224)
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2010高一·河南·竞赛
2 . 定义集合运算:
.设
,
.则集合
的元素的和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a18542fe41f909dcda6958adcb8eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc360acbc2e8bf7302e9b7e5abce89c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df951b2e03fad6bf778ab89724ba6f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb80857ee41814fbb5c56554b9fd25c.png)
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2010高一·河南·竞赛
3 . 已知函数
满足对所有的实数
、
,都有
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53fe62126ee6950a35f48fd9f950599.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7de012f4055316a8cf5965cb73bdd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53fe62126ee6950a35f48fd9f950599.png)
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4 . 若抛物线
与
轴交于整点,则抛物线的对称轴方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030e466668871742f800bc392d5fcd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2010高一·河南·竞赛
5 . 已知实数
、
满足
,且
.则
的最大值与最小值的积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077f1ddc91ac04b0d02a233b6576119e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36820510e970aca2d70fe9674c5641f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2010高一·河南·竞赛
6 . 如图,已知
、
,
为双曲线
上任一点,过
作
轴于点
,
轴于点
.则四边形
面积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4d8e0f539ec84b3b97dc230522018f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4271b4cff19c713d1d7f2a608507aa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e7c6d54b0d73fa8d3af7f2a4d7f049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31940149def6907c303bb48f25fd6bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/a96b9092-6917-43d7-9b3e-8e06acedbe41.png?resizew=134)
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2010高一·河南·竞赛
7 . 某一次函数图像与直线
平行,与
轴、
轴的交点分别为
、
,并且过点
.则在线段
上(包括
、
),横纵坐标都是整数的点有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dad284a4ff95c23679f782178595b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/021de8fce4109dbec72607f8ad02964d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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8 . 设
,
.则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6caff844e18a7185d55b047cbb1fd39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2010高一·河南·竞赛
9 . 已知一个正三棱柱的底面边长为1,两个侧面的异面对角线互相垂直.则该三棱柱的侧棱长为______ .
您最近一年使用:0次