名校
解题方法
1 . 有下列命题:
①不等式
的解集为
;
②对于实数
,
,
,若
,则
;
③对于实数
,
,
,若
,则
;
④若
,函数
的最小值是
;
⑤当
时,不等式
恒成立,则
的取值范围
;
其中真命题的序号为__ .
(把所有正确答案的序号填写在横线上)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5d21732d8a22de752d615b46867f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee57417245352ff37564703524651589.png)
②对于实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
③对于实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5842f47b99932df68efbb64eb847e956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411100df59e7a9dc8d4ad77d497b6fa9.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647e17f9be50dcaba45fa6b15d5d982a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
⑤当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e38f9e9352a21f83b2c1e8f15f95593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
其中真命题的序号为
(把所有正确答案的序号填写在横线上)
您最近一年使用:0次
2 . 已知下列命题
①函数
的定义域为
;
②函数
与
的图象关于直线
对称;
③若函数
是
上的单调递增函数,则
;
④函数
(其中
)的一部分图象如图所示,则
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/e79ff785-e44c-4268-9fb7-f94255ccb995.png?resizew=111)
其中正确命题的序号为__________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb49d7bae35f02e4a2ede5c14ed1e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac767ee208266e9340d903f82517e98.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ad61cb3ec8b1e57179f3feb625c7c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b5a8d36a2c51143d30ec71ecfc442.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884a566e78bf6a47d901871960c1d000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14fd82a003d2169031a410c5aa7cce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b9b50493db5bace567ec6bda1924cd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/e79ff785-e44c-4268-9fb7-f94255ccb995.png?resizew=111)
其中正确命题的序号为
您最近一年使用:0次
3 . 有下列命题:
①函数
的定义域为
;
②不等式
的解集为
,则实数k的取值范围为
;
③函数
是定义在
上的偶函数,当
时,
.则当x<0时,
.
其中正确命题的序号为______ (把正确的答案都填上).
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4f9d8fa95e956e30338023526a50c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9612ee6c787e8f02ce3d3cde6692c4.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6d03dfc5b4ce38e17403b3b49fdc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcd0aebdd8bd688d108834747009f5.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79446191602c1d2f941728ba8591b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e7123d1bc017045dfdb2c3d741bc11.png)
其中正确命题的序号为
您最近一年使用:0次
2023-02-24更新
|
575次组卷
|
2卷引用:天津市七区2022-2023学年高一上学期期末数学试题
名校
解题方法
4 . 复数
满足
,①
;②
;③复数
的虚部为
;④
是方程
在复数范围内的一个解.则以上四个结论中正确序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5bf0ee9e45490fb6503cc88f58d9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145e6e8cb3f167d16cdeabd3bd17ca12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a369d595329752492349210d55544d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396df1e2e35bf3040082cbb783314e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467354a996bf765789a18542f1beb008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fc19c302085de8a90e2827c32f15e7.png)
您最近一年使用:0次
2022-07-01更新
|
323次组卷
|
2卷引用:天津市西青区2020-2021学年高一下学期期末数学试题
名校
5 . 设
,
为不重合的平面,
,
为不重合的直线,则其中正确命题的序号为( )
①
,
,则
;
②
,
,
,则
;
③
,
,
,则
;
④
,
,
,则
.
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a4c549e7ea8776ec821c467bc1a913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc01d7aa51bf4f95c4b12ae9dcb7eb4c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
A.①③ | B.②③ | C.②④ | D.③④ |
您最近一年使用:0次
2021-09-11更新
|
1628次组卷
|
7卷引用:天津市四校联考2020-2021学年高一下学期期末数学试题
名校
6 . 已知
,
是不重合的两条直线,
,
为不重合的两个平面,给出下列命题:
①若
,
,则
;
②
且
,则
;
③若
,
,则
.
所有正确命题的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbfcfc23f7a2df2c91fe75b757c306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d07324ee4dec98ce18a2f37728791b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbfcfc23f7a2df2c91fe75b757c306.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22374b9b90e04bd0e0e34ece26a89f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
所有正确命题的序号为
您最近一年使用:0次
2020-11-02更新
|
682次组卷
|
4卷引用:天津市宝坻区2020-2021学年高一下学期期末模拟一数学试题
天津市宝坻区2020-2021学年高一下学期期末模拟一数学试题北京二十中2019-2020学年高一下学期期末数学试题(已下线)2.1.3 空间中直线与平面之位置关系-2020-2021学年高一数学课时同步练(人教A版必修2)北京市汇文中学2020-2021学年高一下学期期末数学试题
解题方法
7 . 有下列命题:
①当
,且
时,函数
的图象恒过定点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
②
;
③幂函数
在
上单调递减;
④已知
,
,则
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
其中正确命题的序号为______ (把正确的答案都填上)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624d044562db3ec39899fbdf2bc4c597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc6edae66c45841732239fbc5d3cda88.png)
③幂函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd988a227f0bf3744b361558acc4ea8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3b744c4d7fbaf13e1d4789204f5dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
其中正确命题的序号为
您最近一年使用:0次
2021-01-20更新
|
340次组卷
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2卷引用:天津市部分区2020-2021学年高一上学期期末练习数学试题
名校
解题方法
8 .
是两个不同的平面,
是两条不同的直线,有下列四个命题:
①如果
,那么
;
②如果
,那么
;
③如果
,
,那么
;
④如果
内有不共线的三个点到
的距离相等,那么
.
其中正确命题的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474929dd8e89d9ce37448ae72b48d04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16aa323ccb28eaa626ec7e5020a9ef82.png)
①如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e39e7026b2082c6a3acbf0496e238d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6ca6fed060a95127579051f7a6b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
②如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173955b6903feb4d50c72bd9777be967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
③如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc01d7aa51bf4f95c4b12ae9dcb7eb4c.png)
④如果
![](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/384a65ca1ee3d7d86b988ca34c885e18.png)
其中正确命题的序号为( )
A.②③ | B.①④ | C.①②③ | D.①②④ |
您最近一年使用:0次
2018-05-14更新
|
714次组卷
|
2卷引用:【全国百强校】天津市静海县第一中学2017-2018学年高一下学期期中考试数学试题
解题方法
9 . 已知平面向量
,下列说法中:
①
;②
;③向量
与
的夹角为
;④向量
在
上的投影向量为
,
正确说法的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aab5c8b113202ecc3944500fe5e324b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a706c0068d39e0dc168c3c4f3b84da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3714ae4035d7a651ffcbb98b01978837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efe36b7c93fbd8dc63d5d1be81b8250.png)
正确说法的序号是( )
A.①② | B.①③ | C.②③ | D.②④ |
您最近一年使用:0次
2022-11-10更新
|
525次组卷
|
2卷引用:天津市朱唐庄中学2022-2023学年高一下学期3月阶段性测试数学试题
名校
10 . 如图,四边形
是平行四边形,点P在
上,判断下列各式是否正确(正确的在括号内打“√",错误的打“×”)
.( )
(2)
.( )
(3)
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebbad1b2bff36aad7e25f1083b8579d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49262730c83844f4544d332c77153ca.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe4ef65bd005091001bd3b7c49f452d.png)
您最近一年使用:0次
2020-02-02更新
|
704次组卷
|
4卷引用:天津市经济技术开发区第一中学2022-2023学年高一下学期第一次月考数学试题