名校
解题方法
1 . 已知在正方体
中,E,F,G分别是棱
的中点.
![](https://img.xkw.com/dksih/QBM/2022/6/1/2992127102844928/2992828320153600/STEM/12a36c37-0c72-44e2-9099-f66b713f35a0.png?resizew=229)
(1)证明:
与平面
不平行;
(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/28968299e24fc7a1dffa0098bacad5b3.png)
![](https://img.xkw.com/dksih/QBM/2022/6/1/2992127102844928/2992828320153600/STEM/12a36c37-0c72-44e2-9099-f66b713f35a0.png?resizew=229)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b688a5c1b73cdace8ad20e08fae2342f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
您最近一年使用:0次
2022-06-02更新
|
207次组卷
|
3卷引用:河北省邢台市南和区第一中学2021-2022学年高二下学期第四次月考数学试题
名校
2 . 如图,多面体
中,
平面
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0ae57ea3922dd4d1493a4a8e040995.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/b4fbd5a6-8069-4979-a39e-66b633f7572e.png?resizew=153)
(1)在线段
上是否存在一点
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
平面
?如果存在,请指出
点位置并证明;如果不存在,请说明理由;
(2)当三棱锥
的体积为8时,求平面
与平面AFC夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8df226cdfaf59a111f778ce07d33d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee21949feefb980c0d65587ff0497d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0ae57ea3922dd4d1493a4a8e040995.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/b4fbd5a6-8069-4979-a39e-66b633f7572e.png?resizew=153)
(1)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a0d238b6e9b49bbea22a79402e8e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e024a87e5b48bfa241169def613104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29319a28b4ab8cc3a20f0673fd0c24c0.png)
您最近一年使用:0次
2022-05-31更新
|
1653次组卷
|
5卷引用:河北省唐县第一中学2022-2023学年高二上学期9月月考数学试题
名校
解题方法
3 . 如图,在四棱锥P—ABCD中,
平面ABCD,底面ABCD是直角梯形,其中AD∥BC,
,E为棱BC上的点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6d9a407beaf65ad3f311971eeba30.png)
![](https://img.xkw.com/dksih/QBM/2022/5/25/2987202054963200/2987907091619840/STEM/52ce0c21-c483-43bb-9c04-ca4251733964.png?resizew=196)
(1)求证:DE⊥平面
;
(2)求二面角
的余弦值;
(3)设Q为棱CP上的点(不与C、P重合),且直线QE与平面PAC所成角的正弦值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4564baf209de77802d46cda82995c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6bfc40d98a735f6f717bcced546dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6d9a407beaf65ad3f311971eeba30.png)
![](https://img.xkw.com/dksih/QBM/2022/5/25/2987202054963200/2987907091619840/STEM/52ce0c21-c483-43bb-9c04-ca4251733964.png?resizew=196)
(1)求证:DE⊥平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07edbbae5955968df5486d73e1bf7fc3.png)
(3)设Q为棱CP上的点(不与C、P重合),且直线QE与平面PAC所成角的正弦值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf8af35735950780f8c72f1268bcf52.png)
您最近一年使用:0次
2022-05-26更新
|
1257次组卷
|
15卷引用:河北省石家庄市十八中2022-2023学年高二上学期第一次月考数学试题
河北省石家庄市十八中2022-2023学年高二上学期第一次月考数学试题重庆市兼善中学2022-2023学年高二上学期第二次阶段考数学试题天津北京师范大学静海附属学校2021-2022学年高二上学期第一次月考数学试题天津市宝坻区大口屯高中2021-2022学年高三上学期结课考试数学试题天津市市区重点中学2022届高三下学期三模数学试题天津市外国语大学附属外国语学校2022-2023学年高三上学期第一次月考数学试题2020届天津市南开中学高三第一学期数学统练八试题2020届天津市耀华中学高三数学上学期第一次月考数学试题天津市宁河区芦台第一中学2020届高考二模数学试题(已下线)专题17 立体几何(解答题)-2020年高考数学母题题源解密(天津专版)(已下线)专题20 立体几何综合-2020年高考数学(理)母题题源解密(全国Ⅱ专版)天津市八校2020-2021学年高三上学期期中联考数学试题天津市咸水沽第一中学2021-2022学年高三上学期第二次月考数学试题天津外国语大学附属外国语学校2020-2021学年高三上学期结课检测数学试题(已下线)专题8-2 立体几何中的角和距离问题(含探索性问题)-1
名校
解题方法
4 . 如图,
是圆
的直径,
是圆
上异于
,
的一点,
垂直于圆
所在的平面,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/97664393-4934-4ab6-8431-7f61b97a6d40.png?resizew=160)
(1)求证:平面
平面
;
(2)若
,求平面
与平面
所成的锐二面角的余弦值.
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c64f3b6327eb3713198f8a32fd84bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b092f74c792d4d50ddecf6be5b01333a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/97664393-4934-4ab6-8431-7f61b97a6d40.png?resizew=160)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17580410bf63dba4fe164265afaac4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e1e4ea140260a790885868bc7a94f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb01d2b57580731c8b807ac8cffc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
您最近一年使用:0次
2022-05-19更新
|
501次组卷
|
3卷引用:河北省衡水市冀州区第一中学2021-2022学年高二下学期期中数学试题
名校
5 . 如图,在长方体
中,
,
,
是侧面
的中心,
是底面
的中心,以
为坐标原点,
,
,
所在直线分别为
,
,
轴建立空间直角坐标系,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/aa016bcb-5546-4fd9-b972-b1a68dc36e75.png?resizew=244)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ea4bd288944d3ba3d6a319de869dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7cefa14a90337bbbb6e378d8a892d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](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/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/aa016bcb-5546-4fd9-b972-b1a68dc36e75.png?resizew=244)
A.![]() | B.![]() ![]() |
C.异面直线![]() ![]() | D.点![]() ![]() ![]() |
您最近一年使用:0次
2022-04-24更新
|
301次组卷
|
2卷引用:河北省石家庄市十八中2022-2023学年高二上学期第一次月考数学试题
名校
6 . 在四棱台
中,底面ABCD是正方形,且侧棱
垂直于底面ABCD,
,O,E分别是AC与
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/62263b4e-0bf4-4617-943c-ab8ff22d7283.png?resizew=188)
(1)证明:
平面
.
(2)求
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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8490b45704dd0002610e3e6e1de05b78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/62263b4e-0bf4-4617-943c-ab8ff22d7283.png?resizew=188)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130dfae4030f106b434a3797d4df0871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2095691cd6e3e50722061cbc0bb648.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2095691cd6e3e50722061cbc0bb648.png)
您最近一年使用:0次
2022-04-21更新
|
1292次组卷
|
3卷引用:河北省邢台市第二中学2021-2022学年高二下学期第三次月考数学试题
解题方法
7 . 如图,
,
为圆
的两条直径,
垂直于圆
所在的平面.
![](https://img.xkw.com/dksih/QBM/2022/4/2/2949379147825152/2950385600192512/STEM/5e117d09f5c5412f9bdc4ca4e5e57cd4.png?resizew=186)
(1)证明:
.
(2)若
,
,
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2022/4/2/2949379147825152/2950385600192512/STEM/5e117d09f5c5412f9bdc4ca4e5e57cd4.png?resizew=186)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da48240e7fc3248f773ac1500c15ec14.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c3a4f72b84ebadd28b90711435adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2022-04-03更新
|
493次组卷
|
3卷引用:河北省邢台市四校联考2021-2022学年高二下学期第二次月考数学试题
名校
解题方法
8 . 如图,在长方体
中,
,
.若在
上存在点
,使得
平面
.
![](https://img.xkw.com/dksih/QBM/2022/3/31/2948156009226240/2949776769785856/STEM/7597e32b-4d38-4ebd-87d5-7d3a4fade4d6.png?resizew=251)
(1)求线段
的长;
(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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe236a434aa88e5633ea61574d1bed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4525c00ed908bed8ba8d353e747a858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
![](https://img.xkw.com/dksih/QBM/2022/3/31/2948156009226240/2949776769785856/STEM/7597e32b-4d38-4ebd-87d5-7d3a4fade4d6.png?resizew=251)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1158eaa2e338f564eb18de5bef1d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
您最近一年使用:0次
2022-04-02更新
|
338次组卷
|
3卷引用:河北省邢台市卓越联盟2021-2022学年高二下学期第一次月考数学试题
名校
解题方法
9 . 如图,四棱锥
中,底面
是边长为2的正方形,
,
,且
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2022/3/21/2941239547174912/2943103781117952/STEM/4f1ea8ce11fd4cc2aae201d7ec1ce513.png?resizew=242)
(1)求平面
与平面
夹角的余弦值;
(2)在线段
上是否存在点
,使得点
到平面
的距离为
?若存在,确定点的位置;若不存在,请说明理由.
![](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/f0063f3f48e49f2970ec7f097567cef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37002ada5d194d4d062fa3285d7d9824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/2022/3/21/2941239547174912/2943103781117952/STEM/4f1ea8ce11fd4cc2aae201d7ec1ce513.png?resizew=242)
(1)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)在线段
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1dcba40b263c1119ea0a36651c7812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69d166677557cadb3da32b4a7e152e3.png)
您最近一年使用:0次
2022-03-24更新
|
868次组卷
|
5卷引用:河北省石家庄市2021-2022学年高二上学期期末数学试题
河北省石家庄市2021-2022学年高二上学期期末数学试题西藏拉萨中学2021-2022学年高二3月月考数学(理)试题(已下线)高二数学下学期期末全真模拟卷(1)(考试范围:高中全部内容)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)福建省三明市第二中学2022-2023学年高二上学期开学适应性练习数学试题江苏省南京市第一中学2022-2023学年高二下学期期末数学试题
名校
解题方法
10 . 如图1,在
中,
,
,
,
分别是
,
边上的中点,将
沿
折起到
的位置,使
,如图2.
![](https://img.xkw.com/dksih/QBM/2022/3/10/2933159269662720/2937461952102400/STEM/420a78db6f59429bbe0c66955d095b3a.png?resizew=292)
(1)求点
到平面
的距离;
(2)在线段
上是否存在一点
,使得平面
与平面
夹角的余弦值为
.若存在,求出
长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6860fa00e1e350b2ceed4c0f38f439c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa2a83fed9bf4cb09d84a980452e346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a7524b42e607ab1e3d73a31d456cef.png)
![](https://img.xkw.com/dksih/QBM/2022/3/10/2933159269662720/2937461952102400/STEM/420a78db6f59429bbe0c66955d095b3a.png?resizew=292)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9aa824299a0111b66e743a8bd880b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
您最近一年使用:0次
2022-03-16更新
|
323次组卷
|
2卷引用:河北省沧州市任丘第一中学2021-2022学年高二上学期期末数学试题