真题
解题方法
1 . 在如图的4×4的方格表中选4个方格,要求每行和每列均恰有一个方格被选中,则共有________ 种选法,在所有符合上述要求的选法中,选中方格中的4个数之和的最大值是________ .
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2 . 已知直线
与圆
交于
,
两点,
为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8e20f99a4c67a3dd6f0787d64b3ba5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb9eb57ca36db386ffafeda213599c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545b79010f9992c67601e7655eda416c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8e20f99a4c67a3dd6f0787d64b3ba5.png)
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3 . 某牧场今年初牛的存栏数为1200,预计以后每年存栏数的增长率约为10%,且每年年底卖出100头牛.设牧场从今年起的十年内每年年初的计划存栏数依次为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdec83c1d97d4547ac547d628a00c57f.png)
_______ ,数列
的通项公式
_______ ( 1≤n≤10,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da1bb29672197592e16df4da68c69d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdec83c1d97d4547ac547d628a00c57f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3783e69ef5a6a0af566ff4e21ccf03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e962057e0daa783fc1161ce3bb3c30d9.png)
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2024-06-17更新
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68次组卷
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2卷引用:江苏省华罗庚中学2024届高三下学期5月适应性考试数学试卷
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4 . 命题:若
是等比数列,则前n项和
不存在最大值和最小值.写出一组说明此命题为假命题的首项![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
___________ 和公比![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
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5 . 在边长为1的正方形
中,点
为线段
的三等分点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
______ ;
为线段
上的动点,
为
中点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/c8f8c08d4be8d309dc82fd4b170db11b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c98a41ef6f9c38a7ebfc74dde60853.png)
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2024-06-16更新
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6卷引用:2024年天津高考数学真题
真题
6 .
五种活动,甲、乙都要选择三个活动参加.甲选到
的概率为______ ;已知乙选了
活动,他再选择
活动的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d75df9d80ce1e0b7cb50464e293864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2024-06-16更新
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2874次组卷
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6卷引用:2024年天津高考数学真题
2024年天津高考数学真题专题10计数原理、概率、随机变量及其分布专题06计数原理与概率统计(已下线)2024年天津高考数学真题变式题11-15(已下线)三年天津专题05计数原理与概率统计(已下线)五年天津专题05计数原理与概率统计
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7 .
的外接圆半径为1,
,则
的面积为__________ ;当角
达到最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eeee5e2cddf4e58f3f52c11eb95265e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076b41031ca314756b5c9b12ff652549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eeee5e2cddf4e58f3f52c11eb95265e.png)
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8 . 给定集合
,定义
中所有不同值的个数为集合
两个元素的容量,用
表示.
①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79575d2911fe790835bef641962b471.png)
___________ ;
②定义函数
其中
表示不超过
的最大整数,如
,
,当
时,函数
的值域为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
____________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da95b70e1c8b13037f6999c76d129bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a1df9b613ef07dc221b8df9d466fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7646e64bdfe73f63d856376e1efb3187.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36113af7d0b0b4cf823babb95fb7536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79575d2911fe790835bef641962b471.png)
②定义函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36304502dd9ae85a33ed38d59c655ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5971b06a0758bb830c4e09a25bb665a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933ad926785d6302eb8a4eaac35c46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52aed199a18e44830cdc233f9a2df98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a8274d5be7f2a47d9f8cfc8cbe57b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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9 . 如图,直角梯形ABCD中,
,
,
,在等腰直角三角形CDE中,
,则向量
在向量
上的投影向量的模为;若M,N分别为线段BC,CE上的动点,且
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852847ba02c2b62abf27e9cc11f596a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34bf00aeba15bce2cdee8ab487388dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a333d098fc1acefbdadfcac342fb8ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1ae9fcd70ccbdda55f34e3371b64c0.png)
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10 . 若一组数据
的中位数为16,方差为64,则另一组数据
的中位数为__________ ,方差为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca53f1cceda4b9903a0dfd1ffd74a2af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e44bef1b4ee6a4b00ad5881b6b6bc72.png)
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2024-06-16更新
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674次组卷
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4卷引用:河南省部分重点高中2023-2024学年高三下学期5月联考数学试卷 (新高考)
河南省部分重点高中2023-2024学年高三下学期5月联考数学试卷 (新高考)(已下线)辽宁省沈阳市第二中学2024届高三下学期三模数学试题2024届青海省海南藏族自治州高考二模数学(理科)试卷内蒙古自治区锡林郭勒盟2024届高三下学期5月模拟考试理科数学试题