名校
解题方法
1 . 如图,在三棱柱
中,侧面
为菱形,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/b74fda7d-d0db-4dfc-a317-c5f2d07b42c9.png?resizew=200)
(1)求证:
;
(2)若
,
,棱锥
的体积为1,且点
在侧面
上的投影为点
,求三棱锥
的表面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ee347187fbbfe9e8a6faf286795d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4adc8a367b591e244dc76fa76bc975e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/b74fda7d-d0db-4dfc-a317-c5f2d07b42c9.png?resizew=200)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db87b41df9d3c83d2810a4265d768d3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2e238b2757353026133bbe495645e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab8cba157598642cb6b42734861a184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab8cba157598642cb6b42734861a184.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,在四棱锥P-ABCD中,平面
平面
,
,
,
,
,
,M,N分别为AD,PA的中点.
![](https://img.xkw.com/dksih/QBM/2020/11/24/2600040226447360/2600596808474624/STEM/cb3afb8a8d004b548e1f479e1a225037.png?resizew=134)
(1)证明:平面
平面
.;
(2)若
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0453cfd7e92bf7746a88280b9e7b580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6906f59d09ce31956d6f5ea2b23fc77.png)
![](https://img.xkw.com/dksih/QBM/2020/11/24/2600040226447360/2600596808474624/STEM/cb3afb8a8d004b548e1f479e1a225037.png?resizew=134)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f592e3002c6973654b154812ed360c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/543c3b2beb11fbc94d66570bfbed3ea8.png)
您最近一年使用:0次
2020-11-25更新
|
384次组卷
|
9卷引用:2020届湖北省武汉市外国语学校高三下学期模拟文科数学试题
2020届湖北省武汉市外国语学校高三下学期模拟文科数学试题河南省安阳市2019-2020学年高三第一次调研考试数学(文)试题2019年四川省成都市零模数学(文)试题四川省棠湖中学2020届高三下学期第四学月考试数学(文)试题(已下线)专题8.4 直线、平面平行的判定及性质(练)-2021年新高考数学一轮复习讲练测(已下线)第08章 立体几何 (单元测试)-2021年高考数学(文)一轮复习讲练测广西崇左高级中学2020-2021学年高一下学期开学考试数学(理)试题(已下线)专题8.4 直线、平面平行的判定及性质(练)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)专题8.4 直线、平面平行的判定及其性质(练)-浙江版《2020年高考一轮复习讲练测》
名校
解题方法
3 . 如图,
是圆
的直径,点
是圆
上一点,
平面
,
、
分别是
、
边上的中点,点
是线段
上任意一点,若
.
![](https://img.xkw.com/dksih/QBM/2020/7/24/2512809572638720/2513343797215232/STEM/6b7a39b3bb844df9a58758ea527618cc.png?resizew=170)
(1)求异面直线
与
所成的角:
(2)若三棱锥
的体积等于
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64eacdd101e09e887130f88d519bff7.png)
![](https://img.xkw.com/dksih/QBM/2020/7/24/2512809572638720/2513343797215232/STEM/6b7a39b3bb844df9a58758ea527618cc.png?resizew=170)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)若三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649b9a597fcc04c91c4f656ae5d69d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158b045c6172c4178d7aa52083e1489f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464c24c1b5c93ac4bc6752fa1f8e4f9e.png)
您最近一年使用:0次
2020-07-25更新
|
570次组卷
|
4卷引用:湖北省华中师大附中2020届高三下学期高考预测联考文科数学试题
湖北省华中师大附中2020届高三下学期高考预测联考文科数学试题华大新高考联盟名校2020届高考预测考试5月数学文科试题江西省九江市第三中学2021-2022学年高二上学期第一次月考数学(理)试题(已下线)专题33 空间中线线角、线面角,二面角的求法-学会解题之高三数学万能解题模板【2022版】
4 . 如图,在三棱锥
中,
,
,
,
分别是线段
,
的中点,
,
,二面角
的大小为60°.
![](https://img.xkw.com/dksih/QBM/2020/7/22/2511597933985792/2511902300364800/STEM/d6688374c40540499a4d136e11dbc8e6.png?resizew=170)
(1)证明:平面
平面
;
(2)求直线
和平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8915e8e775538d41debf1933102c6b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75103aaf28272c6172b2aee3abd41f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed18447a59016c8c89d1561f7dd5172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107b87854ea594f77a40b25becd36020.png)
![](https://img.xkw.com/dksih/QBM/2020/7/22/2511597933985792/2511902300364800/STEM/d6688374c40540499a4d136e11dbc8e6.png?resizew=170)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/581c0e742e79c5294feea3671874a093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588690c4a218025937357ffab8d63c7a.png)
您最近一年使用:0次
2020-07-23更新
|
1133次组卷
|
6卷引用:湖北省恩施高中郧阳中学2021-2022学年高三仿真模拟考试数学试题
名校
解题方法
5 . 在四棱锥
中,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/7/16/2507163511185408/2507742942142464/STEM/81818201-22da-43e0-89b1-ece83628027b.png)
(1)求证:平面
平面
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef823626a056bd042627305d1d2868f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ad161a2674d823247f0d8236cae1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364d6c88726d8c3bb8ed297057332bac.png)
![](https://img.xkw.com/dksih/QBM/2020/7/16/2507163511185408/2507742942142464/STEM/81818201-22da-43e0-89b1-ece83628027b.png)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b31c44f920e6e09b02f03ec82ef843.png)
您最近一年使用:0次
2020-07-17更新
|
651次组卷
|
5卷引用:湖北省华大新高考联盟名校2020届高三(5月份)高考数学(理科)模拟试题
6 . 如图,在矩形
中,
,
,将矩形
(及其内部)绕
旋转一周形成圆柱,已知
长为
,AC为圆O的直径,B为圆周上的一点,且与
在平面
的同侧.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/2bbf2088-4335-49b8-984f-a329ebea6d0a.png?resizew=147)
(1)求证:
;
(2)若点B恰为
在圆O所在平面上的投影,求多面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2558d8d867325a0460ec7f638d5dfd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e32a859e1616f7a7e4202d58d030794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2558d8d867325a0460ec7f638d5dfd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a3d5d669ac76a2ffb07da81d949adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2558d8d867325a0460ec7f638d5dfd3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/2bbf2088-4335-49b8-984f-a329ebea6d0a.png?resizew=147)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8a2f9862ddd955ab46721ff764f2ec.png)
(2)若点B恰为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51f6d38ab882138456214e0f541c141.png)
您最近一年使用:0次
解题方法
7 . 如图所示,已知D、E、F分别是正四面体的棱
、
、
上的点.
![](https://img.xkw.com/dksih/QBM/2020/7/3/2498191260467200/2498593127251968/STEM/7e13453bc8ca47ac9cd88ea1478bdf14.png?resizew=176)
(1)若
,求证:
;
(2)若
,
,且
,求四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/2020/7/3/2498191260467200/2498593127251968/STEM/7e13453bc8ca47ac9cd88ea1478bdf14.png?resizew=176)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3153c876ab20d85f8c06a860ad3cb57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2484662ae40c406b054d14a7f9e118.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868d2ccc04b1dc6443303902230f26bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d49d867da7b4997cce55c3d5345a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd1bc6147d69777b26a35d48522f7e.png)
您最近一年使用:0次
解题方法
8 . 如图,在四棱柱
中,四边形ABCD是边长等于2的菱形,
,
平面ABCD,O,E分别是
,AB的中点,AC交DE于点H,点F为HC的中点
![](https://img.xkw.com/dksih/QBM/2020/7/3/2498190406008832/2498577785856000/STEM/fcfa2ceac85949baa929f7086e24f71b.png?resizew=258)
(1)求证:
平面
;
(2)若OF与平面ABCD所成的角为60°,求三棱锥
的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://img.xkw.com/dksih/QBM/2020/7/3/2498190406008832/2498577785856000/STEM/fcfa2ceac85949baa929f7086e24f71b.png?resizew=258)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588cd177023e3b1501e84d0823361b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c9f260496ba23993238601a89eca5c.png)
(2)若OF与平面ABCD所成的角为60°,求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9666b03b544efac31b8f8ed7ddb7a427.png)
您最近一年使用:0次
名校
解题方法
9 . 如图,三棱锥
中,侧面
是边长为
的正三角形,
,平面
平面
,把平面
沿
旋转至平面
的位置,记点
旋转后对应的点为
(不在平面
内),
、
分别是
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/91c70963-ba47-442c-8542-9aeb8fb2dad4.png?resizew=164)
(1)求证:
;
(2)求三棱锥
的体积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45593f8565f51193d4d7a9037281dbd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/91c70963-ba47-442c-8542-9aeb8fb2dad4.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fbbed1dbff0bdf2de260443749e151.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7177604c344265acf32365dd3a4675.png)
您最近一年使用:0次
2020-07-02更新
|
537次组卷
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6卷引用:湖北省黄冈市麻城市实验高级中学2020届高三下学期第六次模拟文科数学试题
10 . 图1是由
和
组成的一个平面图形,其中
是
的高,
,
,
,将
和
分别沿着
,
折起,使得
与
重合于点B,G为
的中点,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/c0164602-e2f4-4bb6-abe9-06505be466a7.png?resizew=385)
(1)求证:平面
平面
;
(2)若
,求点C到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f9e624b7eca5d114c725006de096d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52efb84ddffd44c0b6c29da9364ac2c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f9e624b7eca5d114c725006de096d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c204caddc19635ae6232afe50ac13197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8357ce95dca47c4909b4bd0aa456c482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15eaf4e85780cbef2850932474e649b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53582240c22962b821e44a73af62aab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/c0164602-e2f4-4bb6-abe9-06505be466a7.png?resizew=385)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f09f2552fe936c9f6985f3bce9aa6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90131175c3fb6a3837a22d7d5bbc268d.png)
您最近一年使用:0次
2020-06-26更新
|
639次组卷
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3卷引用:湖北省荆门市龙泉中学2020届高三下学期高考适应性考试(二)数学(文)试题