名校
解题方法
1 . 设函数
是定义在整数集
上的函数,且满足
,对任意的x,
都有
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70396a3a6e9f229a7518ff21fb46efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5aac164d04eb2155535cd35f1df3d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bde53de43dda74249725823c0e6610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e925b7d1bfa0960064d36fabef02df.png)
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解题方法
2 . 已知双曲线
,
的上焦点为F,经过点F作直线l与双曲线的一条渐近线垂直,垂足为点M,直线l与双曲线的另一条渐近线相交于点N,若
,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6fd8a038cf74fd5d3a5650a8d76490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04174f3c9351bc05bcf604d18ab8c44c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a06247f55367d2efe8305cee90c546.png)
您最近一年使用:0次
解题方法
3 . 已知抛物线
,过点
作一条直线l与抛物线交于
两点,恰使得点
平分
,则直线
的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c11f3ce51cd741781cf2ffeb6e8b80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02eb5ecd23cde2fd451714281f0657af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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4 . 已知一组数据
,
,
,
的方差为4,若数据
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f00fd7d794b7f578763e605199cf16b.png)
的方差为36,则b的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab84c3fe70da38ccb246fd4a71f9d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ecee5b7f88bbae97171f7baf444a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9077d2dee4388caa3f46cca6416ec00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f00fd7d794b7f578763e605199cf16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa76a059e95088cc306d55ce17b748d.png)
您最近一年使用:0次
2024-03-21更新
|
490次组卷
|
6卷引用:四川省成都市蓉城名校联盟2023-2024学年高二下学期开学考试数学试题
四川省成都市蓉城名校联盟2023-2024学年高二下学期开学考试数学试题(已下线)9.2.3总体离散程度的估计(已下线)9.2.4?总体离散程度的估计——课后作业(提升版)(已下线)14.4 用样本估计总体(1)-【帮课堂】(苏教版2019必修第二册)云南省祥华教育集团2023-2024学年高一下学期5月联考数学试题(已下线)9.2.4总体离散程度的估计(分层练习)-【上好课】(人教A版2019必修第二册)
解题方法
5 . 在正方体
中,
,则点
到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
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6 . 已知定义在
上的奇函数
满足
,且
.若
,
,
,
,则不等式
的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b762ca4a3a079282f7c2cdfc5d39f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27c24244b1fdbf1455087c2ebf41c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7493c0fcdc634aa03efb6be277e23769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d8d34cb8d1a564edcc3507724f2f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6162f7945558e1294effe954c30868e4.png)
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解题方法
7 . 在三棱锥
中,
和
是边长为2的正三角形,且平面
平面
,
是棱
上一点,点
是三棱锥
外接球上一动点,当
的周长最小时,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1978b59fd41a7e45b66355645142aa4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
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名校
8 . 我们知道,函数
的图像关于坐标原点成中心对称图形的充要条件是函数
为奇函数,事实上,可以将其可推广为:函数
的图像关于点
成中心对称图形的充要条件是函数
为奇函数.则函数
的对称中心为_______ ,若
有四个零点,则这四个零点之和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ffe13a3112acf545ee550cab301cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6b2b3ca48bc2f49e8d714bbd4b6d0c.png)
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9 . 已知
,则
在
方向上的投影向量的模为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d3d832b2d73c2650144a1092d51eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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名校
10 . 如图,已知点
是棱长为2的正方体
的底面
内(包含边界)一个动点,若点
到点
的距离是点
到
的距离的两倍,则点
的轨迹的长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2024-03-13更新
|
631次组卷
|
3卷引用:四川省雅安市天立教育集团2023-2024学年高二下学期开学考试数学试题