1 . 已知
为坐标原点,函数
图象与
轴的一个交点为
,与
轴交于点
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4991f5aea1d23a639bffc86a48b80243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4420ef2452903556b13d76a7b6adb90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
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2 . 已知空间四边形
的对角线
,
,
,
分别为
,
的中点,若
,则异面直线
,
所成角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c096bd244d7e30e8ef26fb5278aac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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解题方法
3 .
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2575794cc895207a3a33156aaf2f87.png)
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4 . 复数
与
分别表示向量
与
,记表示向量
的复数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e5fdb67e3d9883b2ad8f5691fb2cfc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e43145e8b838e2214d3b235f97faf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8902c5c098f5f4787fcb0ca8f3e334c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e5fdb67e3d9883b2ad8f5691fb2cfc.png)
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名校
解题方法
5 . 在平面直角坐标系
中,
,
分别是双曲线
:
的左,右焦点,设点
是
的右支上一点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c465763b60ec542adce65c94b0e31cf.png)
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234次组卷
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3卷引用:江苏省南通市如皋中学2024届高三下学期高考适应性考试(三)(3.5模)数学试题
名校
解题方法
6 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe37f4368957fc9acd074d6634923fa.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2970a6edd396d10826a92b71c9d3fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe37f4368957fc9acd074d6634923fa.png)
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362次组卷
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2卷引用:江苏省南通市如皋中学2024届高三下学期高考适应性考试(三)(3.5模)数学试题
7 . 定义:
表示不大于
的最大整数,
表示不小于
的最小整数,如
,
.设函数
在定义域
上的值域为
,记
中元素的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab342d472fe409e73bee1be8a61774d3.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f161c2a3717f1b6c62d0d7dae0b606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3788a125c33eee076151e215a9b02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5b5087fa6a0f43820031bdbbf38b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51d711c88c076b32b158d10f35b209b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad3f020a093c17c56ebe159f34b962c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1400a767b094cae877a340dc2467edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc31dcdb99754fc452ff2b92a2fb8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc31dcdb99754fc452ff2b92a2fb8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab342d472fe409e73bee1be8a61774d3.png)
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2卷引用:江苏省南通市如皋中学2024届高三下学期高考适应性考试(三)(3.5模)数学试题
名校
解题方法
8 . 如图,已知在矩形
中,
,点
是边
的中点,
与
相交于点
,现将
沿
折起,点
的位置记为
,此时
,则二面角
的余弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd4fb83908d0cabf3cc17ea6ce4a3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.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/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d30374a2dad85e336ceaa462be7e00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7f66b146fccec50efa1c316aa1afe0.png)
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2卷引用:江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题
名校
9 . 为获得某中学高一学生的身高(单位:
)信息,采用随机抽样方法抽取了样本量为50的样本,其中男女生样本量均为25,计算得到男生样本的均值为176,标准差为10,女生样本的均值为166,标准差为20.则总样本的方差为__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
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2卷引用:江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题
名校
解题方法
10 . 已知向量
,则
在
上的投影向量的坐标为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99ba04e20b28bfb8c70c3cb7986bea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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10卷引用:江苏省南通市2021-2022学年高一下学期期末数学试题
江苏省南通市2021-2022学年高一下学期期末数学试题甘肃省武威市凉州区2021-2022学年高一下学期期末数学试题(已下线)第03讲 平面向量的数量积 (高频考点—精讲)-3(已下线)第06讲 向量应用江苏省徐州市沛县2022-2023学年高一下学期第一次学情调研数学试题广东省茂名市华侨中学2022-2023学年高一下学期段考二数学试卷吉林省长春市第二实验中学2023-2024学年高一下学期期中考试数学试题【江苏专用】专题04平面向量(第二部分)-高一下学期名校期末好题汇编云南省曲靖市会泽县实验高级中学校2023-2024学年高一下学期5月考试数学试题广东省惠州市三校2023-2024学年高一下学期期中联考数学试卷