名校
1 . 空间给定不共面的A、B、C、D四个点,如果这四个点到平面
的距离都相等,那么这样的平面
的个数是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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名校
2 . 如图,某体育公园广场放置着一块高为3米的大屏幕滚动播放各项体育赛事,大屏幕下端离地面高度3.5米,若小明同学的眼睛离地面高度1.5米,则为了获得最佳视野(最佳视野指看到大屏幕的上下夹角最大),小明应在距离大屏幕所在的平面_________ 米处观看?(精确到0.1米).
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3 . 若正数
,
满足
,则
的最大值为_______ .
![](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/38e7846eec13f0d15c3f3da5e9aa6852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
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4 . 复数
满足
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d6a6098570ac0ec5df5a1b7c6994e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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5 . 已知有穷数列
的首项为1,末项为10,且任意相邻两项之间满足
,则符合上述要求的不同数列
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6941ab8752e1eb19cc0688b5b79288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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6 . 已知
,则函数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2399c2a712a2890dcd0b195d3b9f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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解题方法
7 . 已知直线
的一个方向向量为
,平面
的一个法向量为
,则直线
与平面
所成的角的大小为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243f9e21f1ef288f3ffa3fd8b8fad424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a298d499ae1111cc368f0bb22b3bda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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8 . 设
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c968c005447c3f5e42d7e94b256925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d81fde6dd4c036217696f34a5d7bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16d2543df8ee8a980dce83e550c7587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
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23-24高一下·上海·期末
解题方法
9 . 已知在
中,
是边
上的一个定点,满足
,且对于边
上任意一点
,恒有
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d44b68815f80f4e8a8a2655073510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cdd39367b92b45d53b54390fa8d214.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
10 . 已知函数
,其中
.
(1)若
,求
的值;
(2)若
,函数
图像向右平移
个单位,得到函数
的图像,
是
的一个零点,若函数
在
且
上恰好有4个零点,求
的最小值;
(3)令
,对任意实数
,当
时,有
成立.将函数
的图像向左平移
个单位得到函数
,已知函数
的最大值为10,求满足条件的
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46bd76719285e060ec49ec0f50697d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6a03bf07751c3d6f2fd26c3c20c67a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f95e85ce6707ff4161cc675665c557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9895bf4192f5c55c16f8270d53c49b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325d003b77e1fcd87643ccf44b27edcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03735bb51c68d7c57fdefd724efc12ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dec619e74bfe8fb0e661e16e70a4f4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433691481d2e5a7a5fb8653221ac7943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda96c08c50e3495200bb200175732e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74eb7b0102cd1255713df18ecc7d171a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1143be2991e07bdc61d453c4cfc71e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe84f65c9c4345ae5ddcdafa89e7273.png)
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