解题方法
1 . 已知平面向量
,
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadb456f43065bff1bf0167dcb6cd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237e21416b2f708820b2a39b5749d245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.2 | B.![]() | C.1 | D.![]() |
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解题方法
2 . 从集合
中任取两个数,则这两个数的和不小于
的概率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b07a67307d5d4627efa688b30e5573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知
为实数,则“
,
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5cb68fdec110f8fe3c9faf66272a4d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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解题方法
4 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45539358e3b153cd1d01ade8d64706d2.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
5 . 如图,在正方体
中,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
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名校
6 . 如图,在三棱锥
中,
平面
,
,
,
.
的体积;
(2)求证:平面
平面
;
(3)设点
在棱
上,
,求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4f142d753f5878ad14a8623d46cb46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0ac3005d5ecd6d4cea0ce99a47ef3c.png)
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2024-06-11更新
|
511次组卷
|
2卷引用:2023年7月浙江省普通高中学业水平考试数学试题
解题方法
7 . 已知函数
,
.
(1)若
,求
在区间
上的最大值;
(2)若关于
的方程
有且只有三个实数根
,
,
,且
.证明:
(ⅰ)
;
(ⅱ)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79588c22361de47a687ccda8449a4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4135646a1c78ccade80bac1d30d7a27.png)
![](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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
(ⅰ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fbfe23e06cc72f33f925dd5ee3351e.png)
(ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a77b93203f374e0c1ffccc59776f79.png)
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8 . 在
中,
,
,
,点
,
分别满足
,
,
与
相交于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270733b924663f9660c8da3aa369fd25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122fffe2caf3307510c913c253c9308a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 人工智能发展迅猛,在各个行业都有应用. 某地图软件接入了大语言模型后,可以为用户提供更个性化的服务,某用户提出:“请统计我早上开车从家到公司的红灯等待时间,并形成统计表. ”地图软件就将他最近100次从家到公司的导航过程中的红灯等待时间详细统计出来,将数据分成了
,
,
,
,
(单位:秒)这5组,并整理得到频率分布直方图,如图所示.
的值并且估计该用户红灯等待时间的第60百分位数(结果精确到0.1);
(2)根据以上数据,估计该用户在接下来的10次早上从家到公司的出行中,红灯等待时间低于85秒的次数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ea59cdd39c1e893fb609d05f86ded7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56f3ccfe5a0b479ce64640a30b46520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc20387d18997336f432f9d6e81b560e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29efcdaa3eb04c3d96c0b87f57aa2903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88647001f30cdc14ba03d19ffe52ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)根据以上数据,估计该用户在接下来的10次早上从家到公司的出行中,红灯等待时间低于85秒的次数.
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解题方法
10 . 已知
是同一平面上的3个向量,满足
,
,
,则向量
与
的夹角为_____________ ,若向量
与
的夹角为
,则
的最大值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa3610a990287d3ac756abae406540d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db24e47304fec964e8cb9278280046bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fd756ebb1dd56415de2adbf33c0be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1760539b08d5c35caa5fe2c43a339f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20f69af6870bada879cddd7f6794d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26abac73b9cb1af5c5d8e8c2dd136bbb.png)
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