解题方法
1 . 对于一个向量组
,令
,如果存在
,使得
,那么称
是该向量组的“好向量”
(1)若
是向量组
的“好向量”,且
,求实数
的取值范围;
(2)已知
,
,
均是向量组
的“好向量”,试探究
的等量关系并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153cbba188fca9ff2e6b31a49d5b6229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31866ce53f59ecf68618ac87f37d721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0d561daae579f69538ace2a8f00916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d5830f763967adbf6db9c5d1cc4af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf315b7361dbc0af56a1c515d32216c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb6823d280520da116cf1bc3943cf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4110b20b2c0f07c2688bf3a48d7ff68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0f3eb9b0030afe2ed4799a984ce7cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a223991a4ec2ca30469960f093ddb1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc72f5677dda2b1de520c4cc3c1ceb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb6823d280520da116cf1bc3943cf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4110b20b2c0f07c2688bf3a48d7ff68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4110b20b2c0f07c2688bf3a48d7ff68.png)
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2021高一下·上海·专题练习
名校
2 . 对于集合
和常数
,定义:
为集合
相对
的“余弦方差”.
(1)若集合
,
,求集合
相对
的“余弦方差”;
(2)若集合
,证明集合
相对于任何常数
的“余弦方差”是一个常数,并求这个常数;
(3)若集合
,
,
,相对于任何常数
的“余弦方差”是一个常数,求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f54ae4188477aadfe6b7aaacab5f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a04b47c230bef1c678a384275af5cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5063cae47b07f9d87a072c0122dd1fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35272ddbd63d2485769020d9839445f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbed16abdf2be6944bebed87c822254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c0118c18819bc01cb18084f808cc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7cbba6f130b84315180391c177d0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90017bd261a3784dc0dab3c3e6c0ff1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
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|
483次组卷
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8卷引用:上海市奉贤中学2021-2022学年高一下学期3月月考数学试题
上海市奉贤中学2021-2022学年高一下学期3月月考数学试题上海市金山中学2021-2022学年高一下学期3月月考数学试题(已下线)第6章 三角(章节压轴题解题思路分析)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)北京八中2021-2022学年高一下学期期中数学试题北京市第八中学2021-2022学年高一下学期期中考试数学试题(已下线)专题06 期末解答压轴题-《期末真题分类汇编》(上海专用)(已下线)10.3 几个三角恒等式(分层练习)-2022-2023学年高一数学同步精品课堂(苏教版2019必修第二册)北京市门头沟区大峪中学2023-2024学年高一下学期期中数学试卷
3 . 给出集合
{
对任意
,都有
成立}.
(1)若
,求证:函数
;
(2)由于(1)中函数
既是周期函数又是偶函数,于是张同学猜想了两个结论:命题甲:集合M中的元素都是周期为6的函数:命题乙:集合M中的元素都是偶函数;请对两个命题给出判断,如果正确,请证明;如果不正确,请举反例:
(3)设p为常数,且
,求满足
成立的常数p的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc163d35aa285e48bcc21d6e392b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b005e1e4b8e41c0028cd464835c464.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2d58d309affa76c49e442468c013dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5314a9d2205a2beba0dcffb8fd943b18.png)
(2)由于(1)中函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2d58d309affa76c49e442468c013dd.png)
(3)设p为常数,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7f87b7ddd102e6a5e9cfb282bb47ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06a648a9da06fd9b05bb13cb8a5c047.png)
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名校
解题方法
4 . 设函数
定义在区间
上,若对任意的
、
、
、![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e54e8deea5da9dc6bc82eb3de0c2c.png)
,当
,且
时,不等式
成立,就称函数
具有M性质.
(1)判断函数
,
是否具有M性质,并说明理由;
(2)已知函数
在区间
上恒正,且函数
,
具有M性质,求证:对任意的
、![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
,且
,有
;
(3)①已知函数
,
具有M性质,证明:对任意的
、
、![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
,有
,其中等号当且仅当
时成立;
②已知函数
,
具有M性质,若
、
、
为三角形
的内角,求
的最大值.
(可参考:对于任意给定实数
、
,有
,且等号当且仅当
时成立.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9c587f6257331045c362ef25677c20.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/770cf3716f1e9dc8023a898df7f33783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e54e8deea5da9dc6bc82eb3de0c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d589f18d16b1a6bbd5108409c53fd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49c641617f38855f6abc7baf36af8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f05279fb93940ea0741b64227cc58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a70644524df044d4a24b998a81d44c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475a20b276768b190ac15c9aa5c352ef.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9c587f6257331045c362ef25677c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fcd5a1ca4f9abf76c88db3a3542b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5348b540c0b2e012191ae95351aaac.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/9d589f18d16b1a6bbd5108409c53fd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450fb41cf5543a06035606ff29a9e934.png)
(3)①已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5348b540c0b2e012191ae95351aaac.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/9d589f18d16b1a6bbd5108409c53fd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f183be2a65b185fd240990dffdec3ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62e63003be4ad8c4c51e36e71df2ac3.png)
②已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089e6e44271b4c08be46dda1e7403741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8080fef9bdfa92ae70f3e314eef3e3.png)
(可参考:对于任意给定实数
![](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/205ca5a7d5bede14db0175445bb6d508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6b79d363c080275b93b8cc4b279653.png)
您最近一年使用:0次
2021-12-27更新
|
700次组卷
|
5卷引用:上海市黄浦区2022届高三一模数学试题
上海市黄浦区2022届高三一模数学试题上海市文来高中2023届高三上学期期中数学试题(已下线)上海市黄浦区2022届高三上学期一模数学试题(已下线)第04讲 函数最值与性质-3(已下线)专题06 期末解答压轴题-《期末真题分类汇编》(上海专用)
5 . 英国数学家泰勒发现了如下公式:
,其中
.根据该公式可知,与
的值最接近的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc9e1f1c8fdfa0395c4ba1a08d1f1a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8382c89775180173a8da38ba8a2d1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c70504897be80434d7055e93b5b95ae.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-08-08更新
|
792次组卷
|
6卷引用:课时17 任意角的三角比-2022年高考数学一轮复习小题多维练(上海专用)
(已下线)课时17 任意角的三角比-2022年高考数学一轮复习小题多维练(上海专用)(已下线)专题13 泰勒江苏省南通市2020-2021学年高二下学期期末数学试题江苏省南通市2020-2021学年高一下学期期末数学试题江苏省南京市第二十九中学2021-2022学年高三上学期8月第二次学情调研数学试题(已下线)【一题多变】泰勒公式 应用奇特
2020·全国·模拟预测
名校
6 . 扇子文化在中国源远流长.如图所示的扇面的外环弧长为60cm,内环弧长为15cm,径长(外环半径与内环半径之差)28cm,则该扇面的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629675039293440/2630117455601664/STEM/91db235d-2653-4db3-9e4c-bcd139707587.png?resizew=355)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629675039293440/2630117455601664/STEM/91db235d-2653-4db3-9e4c-bcd139707587.png?resizew=355)
A.1050cm2 | B.840cm2 | C.630cm2 | D.210cm2 |
您最近一年使用:0次
名校
7 . 在直角坐标平面
上的一列点
,简记为
.若由
构成的数列
满足
,其中
为方向与
轴正方向相同的单位向量,则称
为
点列.
(1)判断
,是否为
点列,并说明理由;
(2)若
为
点列,且点
在点
的右上方.任取其中连续三点
,判断
的形状(锐角三角形、直角三角形、钝角三角形),并予以证明;
(3)若
为
点列,正整数
,满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c13b920ec4a33103954c68daa7644ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7836415e9b77334eee27c0d497ca5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b7daef66f5d193befe316e6a9df2bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821a7c2e810ef18a2ee78f3722f03c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b7813755384e0b6044fe296d7c6029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a09e3d201f7699e8d480c768e34696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6edc135bb869e8e8dd68b711d147e368.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06dfbe171fd6d47d6b8ab101b62ac0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ada35c9021498f44a4c7cb9efd058bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e71cb7bfc09205b70196aeadad57439.png)
您最近一年使用:0次
2020-06-26更新
|
579次组卷
|
7卷引用:课时19 正弦定理、余弦定理和解斜三角形-2022年高考数学一轮复习小题多维练(上海专用)
19-20高三上·上海浦东新·期中
名校
8 . 已知
半径为
的圆
上的一条动弦,且
,
为圆
内接正三角形边上一动点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613dedf2d90e58591b7ac4a250ac7b5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd457ba8516963a868216fbd7147d133.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 定义向量
的“相伴函数”为
,函数
的“相伴向量”为
,其中O为坐标原点,记平面内所有向量的“相伴函数”构成的集合为S.
(1)设
,求证:
;
(2)已知
且
,求其“相伴向量”的模;
(3)已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d8a4cf957865fad1cb648fcd2cbaa0.png)
为圆
上一点,向量
的“相伴函数”
在
处取得最大值,当点M在圆C上运动时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50633448e2f3583959333aedd008034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50633448e2f3583959333aedd008034.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b5cfa9838662ced4d78b6458aa90a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9848a0bb57a882e951a8812b38f70df.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06af1eee80c1971583ca553df77e49a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4967b02dcf5b76c0d5ce82417618aad7.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d8a4cf957865fad1cb648fcd2cbaa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2753fe33b16b19630c996a2bc98739fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce769d55393c86ae6c312de5158e4b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00da1c29aea46e36cda0f5780966bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e0e24323fe73e5d9fc6136219306da.png)
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2卷引用:上海市闵行中学2022-2023学年高二上学期9月月考数学试题
名校
10 . 定义运算:
,对于函数
和
,把函数
在闭区间
上的最大值称为
与
在闭区间
上的“绝对差”,记为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c4fb836d1e369f56623ab98fa9fbbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dba76b0e883affdf43f1adc071d53c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63272f86720aaa5a2da28c6e54cdf14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7450e7dae065882117db394c1631df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c4fb836d1e369f56623ab98fa9fbbc.png)
A.![]() | B.![]() | C.1 | D.![]() |
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3卷引用:上海市南洋模范中学2021-2022学年高一下学期期中数学试题