名校
解题方法
1 . 如图,在直四棱柱
中,底面四边形
为梯形,点
为
上一点,且
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/6/5/2736394871193600/2737819917500416/STEM/81210a37863449af8959795daea8687a.png?resizew=144)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b86cde4e24036082b9c92253a6f579e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5d3aaafa4e988aee932be29cf5ac0e.png)
![](https://img.xkw.com/dksih/QBM/2021/6/5/2736394871193600/2737819917500416/STEM/81210a37863449af8959795daea8687a.png?resizew=144)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c8f2410d6a17adcf6817b08d20f3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ded2e3fdcab984f3699972fc3ff75d5.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4294ffdba16ae69fd03b13959d682aba.png)
您最近一年使用:0次
2021-06-07更新
|
822次组卷
|
6卷引用:山西大学附属中学2022届高三上学期11月期中数学(文)试题
山西大学附属中学2022届高三上学期11月期中数学(文)试题山西省吕梁学院附属高级中学2022届高三上学期期中数学(文)试题安徽省蚌埠市第二中学2021届高三下学期高考最后一模文科数学试题四川省遂宁市2021届高三三模数学(文)试题(已下线)考点32 直线、平面平行的判定及其性质-备战2022年高考数学(文)一轮复习考点帮河南省名校联盟2021-2022学年上学期高三第一次诊断考试文科数学试题
名校
2 . 在如图所示的六面体中,底面ABCD是矩形,平面ABEF是以EF为直角腰的直角梯形,且平面ABCD⊥平面ABEF,
.
![](https://img.xkw.com/dksih/QBM/2021/5/13/2720085643862016/2784054716702720/STEM/c6f96277e486406fbbd04c4d629a5d97.png?resizew=180)
(1)求证:AC // 平面DEF;
(2)求直线CE和平面DEF所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123af7ab0de060ac4cd90cb3701627f4.png)
![](https://img.xkw.com/dksih/QBM/2021/5/13/2720085643862016/2784054716702720/STEM/c6f96277e486406fbbd04c4d629a5d97.png?resizew=180)
(1)求证:AC // 平面DEF;
(2)求直线CE和平面DEF所成角的正弦值.
您最近一年使用:0次
名校
解题方法
3 . 如图,在三棱柱ABC-A1B1C1中,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/be12cd0d-b264-49de-a009-b1bb520b7b3e.png?resizew=154)
(1)若此三棱柱为正三棱柱,且
,求异面直线
与
所成角的大小;
(2)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/be12cd0d-b264-49de-a009-b1bb520b7b3e.png?resizew=154)
(1)若此三棱柱为正三棱柱,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4991ea372d13c03461e8b2a8808ef91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e04f01e371223cdae8da2466686b560.png)
您最近一年使用:0次
2021-02-02更新
|
1452次组卷
|
2卷引用:湖北省随州市第一中学2020-2021学年高一下学期期中数学试题
名校
4 . 如图所示,在四棱锥
中,底面四边形
是菱形,底面
是边长为2的等边三角形,PB=PD=
,AP=4AF
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/a93bb600-1ac6-48dc-b699-8a170222ee71.png?resizew=209)
(1)求证:PO⊥底面ABCD
(2)求直线
与OF所成角的大小.
(3)在线段
上是否存在点
,使得
平面
?如果存在,求
的值;如果不存在,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/1fa0c1a6e9990d435f5df2cba32cc203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/a93bb600-1ac6-48dc-b699-8a170222ee71.png?resizew=209)
(1)求证:PO⊥底面ABCD
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
(3)在线段
![](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/5865d488a9cf1181016fd2e866177cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8768996ca9a0f2c5d9a19abbd54df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8180b12d96caf2e6b3ca28a474185e41.png)
您最近一年使用:0次
2020-12-05更新
|
2360次组卷
|
11卷引用:四川省遂宁中学校2021-2022学年高二上学期期中考试数学(文)试题
四川省遂宁中学校2021-2022学年高二上学期期中考试数学(文)试题四川省遂宁市安居区2020-2021学年高二上学期期中考试数学(文)试题江西省南昌市豫章中学2021-2022学年高二入学调研(B)数学(理)试题新疆新源县2020-2021学年高一下学期期末联考数学试题四川省遂宁市射洪中学2021-2022学年高二上学期第一次月考数学理试题河南省温县第一高级中学2021-2022学年高二上学期12月月考文科数学试题上海市南洋模范中学2022-2023学年高二上学期期中数学试题四川省巴中市恩阳区2022-2023学年高二上学期期中数学试题(已下线)期中测试卷01(测试范围:第10-11章)-2023-2024学年高二数学单元速记·巧练(沪教版2020必修第三册)上海市向明中学2022-2023学年高二上学期10月月考数学试题新疆哈密市第八中学2021-2022学年高二上学期期末数学(理)试题
名校
5 . 如图,在四棱锥
中,底面
是菱形,
是线段
上一点(不含
,
),在平面
内过点
作
平面
交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/3022e973-ed12-4977-b120-3619f30185a4.png?resizew=199)
(Ⅰ)写出作
的步骤(不要求证明);
(Ⅱ)若
,
,
是
的中点,求平面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/67a1822040c893d9c4961acc810afe02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1651b87ec052cefebae47d1e589c5146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21665d21bbfb04410c78345de1fd15ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/3022e973-ed12-4977-b120-3619f30185a4.png?resizew=199)
(Ⅰ)写出作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5634a208294350f8ec151cd19b6d3278.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb8fb552b9e21dbaba74d11aa747790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/692168695aa4666d9e262a6f71e9254a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21665d21bbfb04410c78345de1fd15ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a1822040c893d9c4961acc810afe02.png)
您最近一年使用:0次
2020-12-04更新
|
579次组卷
|
4卷引用:江西省峡江中学2021-2022学年高二11月期中考试数学(理)试题
江西省峡江中学2021-2022学年高二11月期中考试数学(理)试题四川省泸州市2021届高三第一次诊断性考试理科数学(一模)试题(已下线)理科数学-学科网2021年高三5月大联考考后强化卷(新课标Ⅰ卷)四川省泸县第四中学2023-2024学年高三上学期10月月考数学(理)试题
20-21高三下·河南·阶段练习
名校
6 . 如图,在四棱锥
中,四边形
是梯形,
,
,点
是棱
上的动点(不含端点),
,
分别为
,
的中点.
![](https://img.xkw.com/dksih/QBM/2021/2/22/2663749759205376/2664036569718784/STEM/4b132111255b44838ef19985cdcab916.png?resizew=197)
(1)求证:
平面
;
(2)若
平面
,
,
,
,求二面角
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/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1161e0345b3646c71365430dccbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/2021/2/22/2663749759205376/2664036569718784/STEM/4b132111255b44838ef19985cdcab916.png?resizew=197)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6a9a86a4438fe18a50e93c838f94f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0e5697eca3f5205cb7b343648240bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada16b1abf359ee1c6edb056aa7f510a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8613e9c359e58ad465fc4c2eaa411b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5777a34d4761364c48e2b53ab79ff1.png)
您最近一年使用:0次
名校
解题方法
7 . 在等腰梯形
中,
,
,将它沿着两条高
,
折叠成如图所示的四棱锥
(
,
重合).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/93fe1829-bf0a-4bb4-9a6a-10d3176be62e.png?resizew=368)
(1)求证:
;
(2)设点
为线段
的中点,试在线段
上确定一点
,使得
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b06f824f3779f910448ae3a80f483d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3b9fe94b261d634f275a92d8b8cd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/93fe1829-bf0a-4bb4-9a6a-10d3176be62e.png?resizew=368)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c182a9d9fd0a7023b710cd671d9468e7.png)
(2)设点
![](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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f332555e65843f32f4c623098c6adc72.png)
您最近一年使用:0次
2020-11-26更新
|
2887次组卷
|
4卷引用:云南省北大附中云南实验学校2020-2021学年高一下学期期中考试数学试题
云南省北大附中云南实验学校2020-2021学年高一下学期期中考试数学试题(已下线)第六章 立体几何初步(能力提升)-2020-2021学年高一数学单元测试定心卷(北师大2019版必修第二册)江西省遂川中学2021-2022学年高二上学期第二次月考数学(理)试题(B卷)辽宁省盘锦市第二高级中学2020-2021学年高二第一学期第一次阶段性考试数学试题
名校
8 . 在如图所示的圆柱
中,AB为圆
的直径,
是
的两个三等分点,EA,FC,GB都是圆柱
的母线.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/d8007de3-faa6-44e8-be88-ce79dcdd3739.png?resizew=192)
(1)求证:
平面ADE;
(2)设BC=1,已知直线AF与平面ACB所成的角为30°,求二面角A—FB—C的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/d8007de3-faa6-44e8-be88-ce79dcdd3739.png?resizew=192)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b3d34e4702615fa0e908eda9440c93c.png)
(2)设BC=1,已知直线AF与平面ACB所成的角为30°,求二面角A—FB—C的余弦值.
您最近一年使用:0次
2020-06-29更新
|
2606次组卷
|
10卷引用:四川省巴中市恩阳区2021-2022学年高二上学期期中考试数学试题
四川省巴中市恩阳区2021-2022学年高二上学期期中考试数学试题山西省怀仁市2020-2021学年高二上学期期中数学(理)试题湖南省岳阳市第一中学2020-2021学年高二下学期第一次质量检测数学试题江苏省盐城中学2021届高三下学期仿真模拟数学试题江西省宜春市天立高级中学2020-2021学年高一下学期期末数学试题四川省宜宾市叙州区第一中学校2022-2023学年高二上学期期中考试数学(理)试题山东省滨州市2020届高三三模考试数学试题(已下线)专题九 立体几何与空间向量-山东省2020二模汇编湖南省长沙市长郡中学2020-2021学年高三上学期月考(三)数学试题广东省佛山市南海区、三水区2023届高三上学期8月摸底数学试题
名校
9 . 如图,在三棱柱
中,
,侧面
为矩形,
.将
绕
翻折至
,使
在平面
内.
![](https://img.xkw.com/dksih/QBM/2020/5/27/2471764706566144/2472358593077248/STEM/4c4fdfd4d2ff4609b64232a98397234d.png?resizew=152)
(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/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86740637132c6225e6623bd8dd404683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f25fda027dc131cf3aa4a5e4dcd4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee0f562ca5d978df45d65f3479a6957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e53b212640dadf751ef7f65a78a209.png)
![](https://img.xkw.com/dksih/QBM/2020/5/27/2471764706566144/2472358593077248/STEM/4c4fdfd4d2ff4609b64232a98397234d.png?resizew=152)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd597851c0db4e4de4769e10e09383b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fc422a3771aee2b8b694759dda640d.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46a7aa10d11654297047260b983cc95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
您最近一年使用:0次
2020-05-28更新
|
242次组卷
|
2卷引用:浙江省杭州市学军中学2020-2021学年高二下学期期中数学试题
名校
10 . 已知四棱锥
中,底面
为平行四边形,点
、
、
分别在
、
、
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/b48f20ce-0a89-4697-a1a0-af73a52c3dee.png?resizew=180)
(1)若
,求证:平面
平面
;
(2)若
满足
,则
点满足什么条件时,
面
.
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/b48f20ce-0a89-4697-a1a0-af73a52c3dee.png?resizew=180)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480eb43bbb9a6e3ef0c7cc491e860b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b28a07491270be75a3697538bec706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b784a3ef1d564942190c27ef4c98578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982d01f052709b72afeaf1015fc7acc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7ffa7d57cb72ca3468f448e70b52af.png)
您最近一年使用:0次
2019-10-06更新
|
1465次组卷
|
4卷引用:广东省广州市第十六中学2020-2021学年高一下学期期中数学试题