名校
1 . 已知函数
,
有以下结论:
①
的图象关于直线
轴对称②
在区间
上单调递减
③
的一个对称中心是
④
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
则上述说法正确的序号为__________ (请填上所有正确序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0da99e273bf774b7a5987067f454a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e083a1a8485c3f5ed1e0ec7518096c1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f63f827cdf0e83612e5ade389c297b0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c1fad7af7df8e93160cf83788bec5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
则上述说法正确的序号为
您最近一年使用:0次
2019-07-29更新
|
5713次组卷
|
15卷引用:辽宁省凌源二中2018-2019学年高一下学期期末数学试题
辽宁省凌源二中2018-2019学年高一下学期期末数学试题山东省菏泽市2018-2019学年高一下学期期末数学试题海南省海口市第一中学2019-2020学年高三上学期10月月考数学试题河北省石家庄市辛集市中学2019-2020学年高三第三次月考数学(文)试题2020届福建省莆田第二十五中学高三上学期期末数学(文)试题山东省菏泽市东明县第一中学2018-2019学年高一下学期期末数学试题2020届海南省儋州市第一中学高三上学期第二次月考数学试题(已下线)专题03 三角(第二篇)-备战2020高考数学黄金30题系列之压轴题(新课标版)山西省山西大学附属中学2019-2020学年高一下学期5月模块诊断数学试题黑龙江省哈尔滨市第六中学校2020-2021学年高三9月月考数学(文)试题黑龙江省哈尔滨市第六中学2020-2021学年度高三上学期九月月考文科数学试题(已下线)河南省三门峡市2020-2021学年度高三第一次大练习数学(理科)试题(已下线)5.6 函数y=Asin(ωx+φ) -2021-2022学年高一数学同步辅导讲义与检测(人教A版2019必修第一册)上海市奉贤区致远高级中学2021-2022学年高一下学期期中在线教学评估数学试题黑龙江省双鸭山市第一中学2022-2023学年高三上学期开学考试数学试题
名校
2 . 对于函数
.现有下列结论:①任取
,
,都有
;②函数
有3个零点;③函数
在
上单调递增;④若关于
的方程
有且只有两个不同的实根
,
,则
.其中正确结论的序号为______ .(写出所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b488ea4070e2c7f27a5a3fcb7c7c8138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c50d84d051a6e770d1eeefcdcd58b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a8c69aaecfbe4d8bd7cf01a3b79c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2419b1e277ee683ac59e59289109bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd2993f6583edb4693a760f3f276a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b647bef81d6e219c508eca1517d9342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc2660c57e0cb6f907f49ae35677113.png)
您最近一年使用:0次
2020-06-16更新
|
1468次组卷
|
6卷引用:河南省郑州市第一中学2019-2020学年高一下期线上线下教学衔接检测数学试题
3 . 一个正四棱柱形的密闭容器底部镶嵌了同底的正四棱锥形实心装饰块,容器内盛有
升水时,水面恰好经过正四棱锥的顶点
,如果将容器倒置,水面也恰好经过点
,则下列四个命题:
①正四棱锥的高等于正四棱柱的高的一半;
②若往容器内再注
升水,则容器恰好能装满;
③将容器侧面水平放置时,水面恰好经过点
;
④任意摆放该容器,当水面静止时,水面都恰好经过点
.
其中正确命题的序号为________ (写出所有正确命题的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①正四棱锥的高等于正四棱柱的高的一半;
②若往容器内再注
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
③将容器侧面水平放置时,水面恰好经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④任意摆放该容器,当水面静止时,水面都恰好经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
其中正确命题的序号为
您最近一年使用:0次
名校
4 . 如图,四棱锥
中,底面为四边形
.其中
为正三角形,又
.设三棱锥
,三棱锥
的体积分别是
,三棱锥
,三棱锥
的外接球的表面积分别是
.对于以下结论:①
;②
;③
;④
;⑤
;⑥
.其中正确命题的序号为______ .
![](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/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010593f8b0e83d15f8b18c5555021804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c482ee1668a59ca21f3ae8b6bad58eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46bd37096f7014e00fd079823b6c3c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c482ee1668a59ca21f3ae8b6bad58eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2dfc98d0c316f21167130201f0b40a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9779ec0a2c7e8b7d758699c03f9120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c4d132f41c2aba90d5067317fb99df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c360fec104715a3dde04e579cd08ee31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31dd78e9156dcf6db93f6cbcc5b43b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddc18ef823feb3a4bf0737f3446f99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/e29c9d3a-db4b-4ddc-a6ed-2fea36c8f5f9.png?resizew=146)
您最近一年使用:0次
2020-05-02更新
|
849次组卷
|
5卷引用:2020届河南省高三第十次调研考试数学(理)试题
名校
5 . 给出下列命题:
①若
,
是第一象限角且
,则
;
②函数
在
上是减函数;
③
是函数
的一条对称轴;
④函数
的图象关于点
成中心对称;
⑤设
,则函数
的最小值是
,其中正确命题的序号为 __________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890105f677da9bf3d5483f5344065b35.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d80d70fdab1a1d7c98ae24821c3abe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7db9c05136c4aa8bbc0b11ace38ac2.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b4e0f8f88a09d1a14465c8c8b07172.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e13df8acedad03eb7d6f5f466332cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e69f3e7c9125bce2b896645fd33c42.png)
⑤设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c7d1a5d785f6145002a8e0052d676d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a7dc06eedd533220241e50f96fba36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb8e3e7466f1e47337478aacc8b6d00.png)
您最近一年使用:0次
2018-04-11更新
|
1076次组卷
|
3卷引用:河南省林州市第一中学2017-2018学年高一3月份月考数学试题
6 . 设函数
.有下列五个命题:
①若对任意
,关于
的不等式
恒成立,则
;
②若存在
,使得不等式
成立,则
;
③若对任意
及任意
,不等式
恒成立,则
;
④若对任意
,存在
,使得不等式
成立,则
;
⑤若存在
及
,使得不等式
成立,则
.
其中,所有正确结论的序号为______ .
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/5116c841c7c04e80b21474daea828f97.png?resizew=167)
①若对任意
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/cc7e01ed7485455a9c31284f52a4a3f9.png?resizew=55)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/854c676cc8dd46bcae23c841b39f8ee2.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/25e109b1b25f4d18997aeaeebd068fff.png?resizew=81)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/842e8a2dc94e4ae49c061680b6122ff4.png?resizew=40)
②若存在
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/09afb2cea70f4339847214500985f417.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/ca76c1407d1a4f9db2bf0e8bb78ac90a.png?resizew=93)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/582a68c245ee4ae583252ad87413cafd.png?resizew=83)
③若对任意
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/36086b2d811747cabbd3b7b8a0da1e37.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/da20f3206b9a4cd98a42025cbd0e3b33.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/7018286052804b11870265f46011fc51.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/0f9289bc967d497f9ddbc1007d408072.png?resizew=76)
④若对任意
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/36086b2d811747cabbd3b7b8a0da1e37.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/da20f3206b9a4cd98a42025cbd0e3b33.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/7018286052804b11870265f46011fc51.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/842e8a2dc94e4ae49c061680b6122ff4.png?resizew=40)
⑤若存在
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/36086b2d811747cabbd3b7b8a0da1e37.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/da20f3206b9a4cd98a42025cbd0e3b33.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/7018286052804b11870265f46011fc51.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/6/7/1572696340258816/1572696345673728/STEM/5442010b0b064416af32badc1442eace.png?resizew=45)
其中,所有正确结论的序号为
您最近一年使用:0次
2019高三下·全国·专题练习
名校
7 . 在一个不透明的口袋中装有大小、形状完全相同的
个小球,将它们分别编号为
,
,
,…,
,甲、乙、丙三人从口袋中依次各抽出
个小球.甲说:我抽到了编号为
的小球,乙说:我抽到了编号为
的小球,丙说:我没有抽到编号为
的小球.已知甲、乙、丙三人抽到的
个小球的编号之和都相等,且甲、乙、丙三人的说法都正确,则丙抽到的
个小球的编号分别为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
您最近一年使用:0次
名校
8 . 有下列四个说法:
①已知向量
,
,若
与
夹角为钝角,则
;
②已知函数
的图象关于直线
对称,则
;
③当
时,函数
有四个零点;
④已知
,函数
在
上单调递增,则
的取值围是
.
其中正确的是_________________ .(填上所有正确说法的序号)
①已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016e4d15ab8f5359f6aa3b42674b0c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ddf73bdba5a9b2c20fc4da6686a5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d1eec645764636c0e23b05e8f93234.png)
②已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a4ec68a8c6980548502e08d0a3b25c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb52d91a9b9e084e6e4f0aa0a4a1bd96.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a2c971fed40a495c1a06c5d1b1bc51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce973f9e91c9e74b2b7034bc8c4701a.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5990c3a58f65561039cd70bac70bd364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d1ad3f6590ef7e83a6a9f665c19d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ee2e71ae03391edd985932262ba681.png)
其中正确的是
您最近一年使用:0次
9 . 对函数
,有下列说法:
①
的周期为
,值域为
;
②
的图象关于直线
对称;
③
的图象关于点
对称;
④
在
上单调递增;
⑤将
的图象向左平移
个单位,即得到函数
的图象.
其中正确的是_________ .(填上所有正确说法的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/897d071cf3e9e7e3116d79663142764f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9609625b502348556ff8ba32deac8caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d649324f96a812ff24110ba12b50cf9d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23a3abb4cbfbf42adceecffb1521958.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ca2298a11b579709047fdfbce394f2.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5232a2c34934d0a128c5e93abb2b0fa8.png)
⑤将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86e18ca31e393333c002e50daf1e0e2.png)
其中正确的是
您最近一年使用:0次
2016-12-04更新
|
3131次组卷
|
5卷引用:2016-2017学年河南许昌市五校高二上学期联考一数学(文)试卷
10 . 如图是正方体的平面展开图.关于这个正方体,有以下判断:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/15/5d6a69a6-eafe-41a2-960e-6350fddeb6f4.png?resizew=159)
①与
所成的角为
②
∥平面
③ ④平面
∥平面
其中正确判断的序号是( ).
A.① ③ | B.② ③ | C.① ② ④ | D.② ③ ④ |
您最近一年使用:0次
2017-06-04更新
|
2441次组卷
|
7卷引用:湖北省沙市中学、恩施高中、郧阳中学2016-2017学年高一下学期阶段性联考数学(文)试题
湖北省沙市中学、恩施高中、郧阳中学2016-2017学年高一下学期阶段性联考数学(文)试题福建省莆田第一中学2019-2020学年高三上学期期中考试数学(文)试题贵州省思南中学2019-2020学年高一下学期期中考试数学试题湖北省黄冈市黄梅国际育才高级中学2019-2020学年高一下学期复学考试数学试题(已下线)考点31 直线、平面平行的判定及其性质-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点30 直线、平面平行的判定及其性质-备战2021年高考数学(文)一轮复习考点一遍过河南省南阳市南召县2022-2023学年高一下学期期末数学试题