解题方法
1 . 如图所示,在正方体
中,M是棱
上一点,平面
与棱
交于点N.给出下面几个结论,其中所有正确的结论是( )
①四边形
是平行四边形;②四边形
可能是正方形;③存在平面
与直线
垂直;④任意平面
都与平面
垂直.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b60b2457c371a51698973224606852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
①四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2213cbd7555ee2a50435f9484d963c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2213cbd7555ee2a50435f9484d963c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2213cbd7555ee2a50435f9484d963c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2213cbd7555ee2a50435f9484d963c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cfdc6224181d44e63aab43ddaf07ef.png)
A.①② | B.③④ | C.①④ | D.①②④ |
您最近一年使用:0次
名校
2 . 已知平面
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3808849630e4031af37386c87321d2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.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 |
您最近一年使用:0次
2023-12-25更新
|
785次组卷
|
14卷引用:四川省成都市2024届高三一模数学(理)试题
四川省成都市2024届高三一模数学(理)试题四川省成都市2024届高三一模数学(文)试题2018年浙江省名师原创预测卷(三)2020年浙江省名校高考预测冲刺卷(一)贵州省铜仁市思南中学2019-2020学年高二(下)期末数学(文科)试题(已下线)第30练 直线、平面平行的判定与性质-2021年高考数学(文)一轮复习小题必刷(已下线)第31练 直线、平面平行的判定与性质-2021年高考数学(理)一轮复习小题必刷浙江省宁波市宁海中学2021届高三下学期3月高考适应性考试数学试题(已下线)【新东方】【2021.5.19】【SX】【高三下】【高中数学】【SX00161】重庆市乌江新高考协作体2022-2023学年高一下学期期末数学试题黑龙江省哈尔滨市2022-2023学年高一下学期期末数学试题(已下线)模块一 专题1 立体几何(1)高三期末北京市第二中学2023-2024学年高一下学期期中考试数学试题(已下线)11.3.3 平面与平面平行-【帮课堂】(人教B版2019必修第四册)
名校
解题方法
3 . 下列命题中,不正确的是( )
A.夹在两个平行平面间的平行线段相等 |
B.三个两两垂直的平面的交线也两两垂直 |
C.若直线![]() ![]() ![]() ![]() ![]() ![]() |
D.已知m,n为异面直线,![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 如图,在四棱柱
中,
平面
,
,
,
,
为棱
上一动点,过直线
的平面分别与棱
,
交于点
,
,则下列结论正确的是______ .
对于任意的点
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cf581aa9602fd1f47ff0fd9292d321.png)
对于任意的点
,四边
不可能为平行四边形
当
时,存在点
,使得
为等腰直角三角形
存在点
,使得直线
平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326a3339175592bd1e793a9054d57fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31592debc5e64c63e32aadb800033a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbcc34f6ccb142cc9198aa7169d4e0f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deae2b8fc8c0f4f049ce20c881fb2e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094e639c2b31dc54b1b3e6456e77843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128147bd4834566a78b4e9d2a3b2139c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5b6dfff10cb3dc3e06509db56d7b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd8089bf8a278810573965bc1fb919b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cf581aa9602fd1f47ff0fd9292d321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30159541e722542927a72056d89915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea45e0eee8eff53b6f3015a4ff3aa0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c559d71714a176e5581c9da57503f1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a6b190811e7735c33b1177ba2c0de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30159541e722542927a72056d89915.png)
您最近一年使用:0次
2023-07-08更新
|
441次组卷
|
5卷引用:四川省泸县第一中学2023届高三三诊模拟考试理科数学试题
四川省泸县第一中学2023届高三三诊模拟考试理科数学试题四川省泸县第一中学2023届高三三诊模拟考试文科数学试题(已下线)专题10 空间向量与立体几何-3(已下线)第一章 点线面位置关系 专题一 空间平行关系的判定与证明 微点2 空间直线平行的判定与证明综合训练【基础版】(已下线)8.5.3 平面与平面平行【第三课】“上好三节课,做好三套题“高中数学素养晋级之路
名校
解题方法
5 . 如图,在多面体
中,已知
是正方形,
,
平面
分别是
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/541ad583-96cf-4576-a8d1-6c559c0c5e22.png?resizew=156)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20e38a1b5cfffd43a3405481a1d67cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63f76636849706b8728b2181c3454cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67621a2ba5d5dc7e9f7866b0e748efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88d863bbe0a300e8c2f464574c4f5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bfe254b55db25eaae330bbb33b0a48c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db3b70cd3a7b12306eb4fe39a208b3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9741e43512323d96f36317543793ddf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/541ad583-96cf-4576-a8d1-6c559c0c5e22.png?resizew=156)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73153657848013d2a1c3247d7f84ddeb.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
您最近一年使用:0次
2023-05-09更新
|
1121次组卷
|
3卷引用:四川省成都市2023届高三三诊理科数学试题
解题方法
6 . 如图(1),在边长为
的正三角形ABC中,D,E分别为AB,AC中点,将
沿DE折起,使二面角
为直二面角,如图(2),连接AB,AC.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/7d9729bf-a30a-4ed1-b5b5-bf0c31c32269.png?resizew=345)
(1)求四棱锥
的体积;
(2)在图(2)中,过点E作平面EFG与平面ABD平行,分别交BC,AC于F,G.求证:
平面ABC.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370148e9147aa25c60a07ab4ad46e83d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/7d9729bf-a30a-4ed1-b5b5-bf0c31c32269.png?resizew=345)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e7cedc39297d66dbb177f2a1f6bee2.png)
(2)在图(2)中,过点E作平面EFG与平面ABD平行,分别交BC,AC于F,G.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0df73a49d4348a5c1e3aaa149cc8a.png)
您最近一年使用:0次
7 . 如图1.在直角梯形
中,
,
.点
为
的中点.点
在
上,且
,
.将四边形
沿
边折起,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/ea73fa93-ef23-465e-a3ca-6a281228200d.png?resizew=240)
(1)证明:图2中的
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)在图2中,若
.求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41d3f7d55fcbaebc4e2450ac63a3dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc92ed0abacd1aa5e598f0fb748b8e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/ea73fa93-ef23-465e-a3ca-6a281228200d.png?resizew=240)
(1)证明:图2中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc521258fcaeaf7acffc5ae98c3af6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)在图2中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4746df85049d1651d3f6c30212a7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c3762eb09409441a1d1d7c0ccbbe60.png)
您最近一年使用:0次
8 . 如图,在长方体
中,
,点
是
的中点,
在
上,且
.若过
的平面
交
于
,交
于
.
![](https://img.xkw.com/dksih/QBM/2021/12/11/2870180630347776/2870846225260544/STEM/43975781-473e-411b-a322-f0735fe6a9f9.png?resizew=235)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
平面
;
(2)若点
是
的中点,求平面
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/d71121f0da778645dbe350e07b66f242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be41b05e11ba5eadaaed9a224b949774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/2021/12/11/2870180630347776/2870846225260544/STEM/43975781-473e-411b-a322-f0735fe6a9f9.png?resizew=235)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1956db288a5a3b8c97d2539e9e5e4f85.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013e58ab92ebfc889e2e0e2be903792e.png)
您最近一年使用:0次
名校
9 . 在几何体
中,如图,四边形
为平行四边形,
,平面
平面
,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/6/12/2482829342801920/2483328407314432/STEM/2f52fb44d7a54c77b28a313c76f36a0e.png?resizew=148)
(1)求证:
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/806625a93511075586360d7f9f335f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b860dfa4b838fb65b54eb4be48c2994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de22059d7d80f24817235269e9bb1ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e0bd4b30dc777ac9da80f6baa3eb31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6d336ec41c4da56ccd4ac9e0f977b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e458dd1ce1c8dcdc2becac146d9dc231.png)
![](https://img.xkw.com/dksih/QBM/2020/6/12/2482829342801920/2483328407314432/STEM/2f52fb44d7a54c77b28a313c76f36a0e.png?resizew=148)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497846628a41a9bc750a645e045afb47.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a17158a669a634e3db538ce76471950.png)
您最近一年使用:0次
2020-06-12更新
|
509次组卷
|
5卷引用:四川省绵阳市2020届高三年级高考适应性考试(四诊)理科数学试题
四川省绵阳市2020届高三年级高考适应性考试(四诊)理科数学试题四川省泸州市泸县第四中学2022届高三三诊模拟考试理科数学试题四川省泸州市泸县第四中学2022届高三下学期高考适应性考试数学(理)试题山东省泰安肥城市2020届高三适应性训练(二)数学试题(已下线)专题19 立体几何综合-2020年高考数学(理)母题题源解密(全国Ⅲ专版)
解题方法
10 . 如图,在三棱锥
中,
两两垂直,
,平面
平面
,且
与棱
分别交于
三点.
(1)过
作直线
,使得
,
,请写出作法并加以证明;
(2)若
将三棱锥
分成体积之比为8:19的两部分(其中,四面体
的体积更小),D为线段
的中点,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d85e07de529364d1dac0b8be28e74da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441a29d8fc12025055bc577e597f8b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414844edd458857bdfc80bffa61cbf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc13de8ca48307d011ccbcdde76c74a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cf23b7d9dce9f8aba03e11444758a4.png)
(1)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3777318aa3fbdee09cfeeea971e8fcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4794eee351d99fd093324973a87ae7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a49d7f01692ba3b1bd08dcabc7faee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f3c01bd50dfb12e50107bc7f00c036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b608ac8c1cd8f774c5ce066891919fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d041feacf189306d130f4a949880bfc8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/a5c380bb-b312-4101-a539-7c2d877f2316.png?resizew=202)
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2018-05-22更新
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3卷引用:【全国省级联考】四川省2015级高三全国Ⅲ卷冲刺演练(一)理科数学试题