1 . 如图,在空间四边形ABCD中,
为BC的中点,
在CD上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/6807b55f-87a0-4ad1-b100-8061fe1f6bd0.png?resizew=140)
(1)以
为基底,表示
;
(2)
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7827aa402bd800d692718aee108840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ef0a99a25b115e054452abff205544.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/6807b55f-87a0-4ad1-b100-8061fe1f6bd0.png?resizew=140)
(1)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c5d7ba714351d679bbbb287af5aaec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae54940f33b8714da5fe3b7546f8b3dc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e89f12071eecf9f5f9f80ebdff28f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd881ddf4b86bced8c7cba28ba6fc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28baa3ec1ef83511eff382dcc0c885be.png)
您最近一年使用:0次
解题方法
2 . 如图,在四棱锥
中,底面
是直角梯形,
,
,平面
平面
,
是边长为2的正三角形,
,
,
.
(1)若
平面
,求
的值;
(2)若
,求平面
与平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a755edadca4e4fc27fd49559b8d691ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f391256e25577a7bdaf8289bb52827f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c9078a13-8952-41e0-888c-0b6231ba9540.png?resizew=176)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a20ea69475dcf57a5ff18c13eceaaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f83464bf17f9d4d9ee6a7f299539871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
3 . 某校一个数学兴趣小组发现《九章算术》中提到了“刍甍”这个五面体,于是他们仿照该模型设计了一道数学探究题,如图1,E,F,G分别是边长为4的正方形的三边
的中点,先沿着虚线段
将等腰直角三角形
裁掉,再将剩下的五边形
沿着线段
折起,连接
就得到了一个“刍甍”(如图2).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/974315f8-14a0-4f72-b36c-1f792d56da6c.png?resizew=337)
(1)若
是四边形
对角线的交点,求证:
平面
;
(2)若二面角
的平面角为
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85892889fd53e91acaafae8cc0907a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f70627e259fa4e67edff13bb3b4d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4c6641b74b01218e302370ebf71131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b4d482d69d8e4b0d5963277318d7e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/974315f8-14a0-4f72-b36c-1f792d56da6c.png?resizew=337)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e826b8202fa0e17245dcc68426c923a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d786346b0e3f2d6666a2e7bf0b7e1251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7090ad13cf3664c89cdb2288779a9669.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486aa57b8d51f4bafedf8b31ed0b6452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd1ad6b8eac07253212dc6ec1168b96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ba3f676fda6a2aaaa55c9f32874a51.png)
您最近一年使用:0次
4 . 如图,圆台
的上、下底面圆半径分别为1,2,圆台的高为
,
是下底面圆的一条直径,点
在圆
上,且
,点
在圆
上运动(
与
在
的两侧),
是圆台的母线,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/020c1428-c0bf-490e-9baf-81e3134fa50c.png?resizew=170)
(1)求
的长;
(2)求平面
和平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf271d6475f5305bc922677b4cfe28c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/020c1428-c0bf-490e-9baf-81e3134fa50c.png?resizew=170)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335187895f612ce811414cfbedf89467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
您最近一年使用:0次
解题方法
5 . 如图,在斜三棱柱
中,
,且三棱锥
的体积为
.
(1)求三棱柱
的高;
(2)若平面
平面
为锐角,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131b887a0a088c760df5e17bd93bfe6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/861d61d2b7b16e12fd97f870fb3fa522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/b7376265-a332-4131-9844-0dccb3b38662.png?resizew=168)
(1)求三棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1111386161dc558c54930e35aa302737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bbdf5dbf9df96742624ada95c36146.png)
您最近一年使用:0次
2024-02-24更新
|
222次组卷
|
4卷引用:河南省部分名校2023-2024学年高二上学期1月期末考试数学试题
名校
解题方法
6 . 如图,在正四棱柱
中,
分别为
的中点,点M在线段
上,
,且A,E,M,F四点共面.
(1)求t的值;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d80a1477d0cdfba31a54672190ac7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31be3b7305d6c181420ea7b28c420851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8c7d998a6b4523dbe430dda5a77fdf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/6af67104-d106-43fa-aa28-35a7dfc3b905.png?resizew=113)
(1)求t的值;
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f11969bbf853d6a703eac037566f3e5.png)
您最近一年使用:0次
2024-02-24更新
|
85次组卷
|
2卷引用:河北新乐市第一中学等2023-2024学年高二上学期期末联考数学试卷
名校
解题方法
7 . 如图所示,在四棱锥
中,底面
是边长为2的正方形,侧棱
的长为3,且
和
的夹角都是
,
是
的中点,设
,
,
,试以
,
,
为基向量表示出向量
,并求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4117625867a74cd022584500c76deca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df7fc746f8c4801d8f2f0471ba3297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d458bed4c0f3e91667eb8705c9c90d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6c5623cd33d13edf0d8df361022d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a3588389f5f1bb38bacfff5f65b11.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/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350f162ee9aa08f4c9779481a5ef1025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/c6095450-6a18-4593-bb47-5c72a1f9ae73.png?resizew=156)
您最近一年使用:0次
2024-02-24更新
|
197次组卷
|
28卷引用:辽宁省沈阳市重点高中联合体2022-2023学年高二上学期期末数学试题
辽宁省沈阳市重点高中联合体2022-2023学年高二上学期期末数学试题山东省泰安市宁阳县第四中学2022-2023学年高二上学期期末数学试题第一章+空间向量与立体几何(基础过关)-2020-2021学年高二数学单元测试定心卷(人教B版2019选择性必修第一册)第一章+空间向量与立体几何(能力提升)-2020-2021学年高二数学单元测试定心卷(人教B版2019选择性必修第一册)辽宁省沈阳市第八十三中学2021-2022学年高二上学期开学考试数学试题广东省佛山市第三中学2021-202学年高二上学期第一次教学质量检测数学试题江苏省南京市第十二中学2021-2022学年高二下学期3月学情调研数学试题沪教版(2020) 选修第一册 单元训练 第3章 空间向量及其运算、空间向量基本定理(A卷)(已下线)知识点 空间向量与立体几何 易错点 对空间向量的运算理解不清致误(已下线)第07讲 空间向量基本定理 - -【暑假自学课】2022年新高二数学暑假精品课(人教版2019必修第二册+选择性必修第一册)(已下线)第05讲 空间向量基本定理-2022年暑假高一升高二数学衔接知识自学讲义(人教A版2019)山东省潍坊市临朐县实验中学2022-2023学年高二上学期10月月考数学试题新疆维吾尔自治区喀什第二中学2022-2023学年高二上学期第一次月考数学数学试题山东省潍坊市昌邑市第一中学2022-2023学年高二上学期10月摸底考试数学试题(已下线)第6章 空间向量与立体几何 单元测试(A卷知识达标)-【学霸满分】2022-2023学年高二数学下学期重难点专题提优训练(苏教版2019选择性必修第二册)(已下线)第03讲 1.2空间向量基本定理(4类热点题型讲练)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)(已下线)专题1.3 空间向量基本定理【八大题型】-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)第02讲 空间向量基本定理(5大考点8种解题方法)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)山东省济南市长清区长清第一中学2023-2024学年高二上学期10月月考数学试题山东省泰安新泰市第一中学(实验部)2023-2024学年高二上学期第一次阶段性测试数学试题北京市第一六六中学2023-2024学年高二上学期期中考试数学试题天津市第八中学2023-2024学年高二上学期第一次大单元教学(9月月考)数学试题(已下线)专题02空间向量基本定理(2个知识点3种题型)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)(已下线)第1章 空间向量与立体几何单元测试基础卷-2023-2024学年高二数学上学期人教A版(2019)选择性必修第一册(已下线)专题01空间向量及其运算(4个知识点8种题型3个易错点)(3)(已下线)专题03空间向量及其运算的坐标表示(5个知识点4种题型1个易错点)(2)江苏省清河中学2022-2023学年高二下学期3月阶段测试数学试卷(已下线)第七章 应用空间向量解立体几何问题拓展 专题一 空间向量基底法 微点3 空间向量基底法(三)【基础版】
解题方法
8 . 如图,在四棱锥
中,
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1161758169879ed54adbe0f34d15a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,
在棱
上,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
平面
,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/e89883a2-2687-4775-905b-706cffb79db6.png?resizew=197)
(1)求
;
(2)若点
到平面
的距离为1,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1161758169879ed54adbe0f34d15a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b31b813e5517ba13a758307e5f719c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1680b89dc09b61b03267d262620b4c4e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/e89883a2-2687-4775-905b-706cffb79db6.png?resizew=197)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
解题方法
9 . 如图,在直三棱柱
中,
是AB的中点,
是
的中点,
是
与
的交点.
(1)在线段
上找一点
,使得
平面
;
(2)在(1)的条件下,求PQ与平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35c167416dac706982f4b2ce79e8ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/79801a2b-03ab-4613-b6c5-ba097ad1efbb.png?resizew=124)
(1)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a604466a9c8d10d557b3dfc43b547065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72221ee5b504d596ff799c0b356aa0ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4e7552a39c412d882766dbcd7eeb69.png)
(2)在(1)的条件下,求PQ与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4e7552a39c412d882766dbcd7eeb69.png)
您最近一年使用:0次
名校
10 . 在长方体
中(如图),
,点
是棱
的中点.
是否为鳖臑?并说明理由;
(2)求直线
与直线
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed1da7a28fb1983af25f2be2ed03cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7b9894ec3bf6f6ba74bb70d3100ad9.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554b3b4c5ce7aca81becc07ed4903736.png)
您最近一年使用:0次
2024-02-23更新
|
210次组卷
|
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