名校
解题方法
1 . 已知
是定义在R上的奇函数,满足
,有下列说法:
①
的图象关于直线
对称;
②
的图象关于点
对称;
③
在区间
上至少有5个零点;
④若
上单调递增,则在区间
上单调递增.
其中所有正确说法的序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd4109fb738b47a28895440daa1f147.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64027ba49b737eb58b4fe366fdccde1b.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca46a32df9b79f506ce60f83610da86e.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77a14339b2da6e27733c4c37def6f8c.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd9dd3920eb4f4dbd2e9f34fa7d95cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c0137d86e02c8cb8ded3d13ffc1cba.png)
其中所有正确说法的序号为
您最近一年使用:0次
2022-10-23更新
|
1151次组卷
|
6卷引用:甘肃省张掖市某重点校2022-2023学年高三上学期期中检测数学(理)试题
甘肃省张掖市某重点校2022-2023学年高三上学期期中检测数学(理)试题甘肃省武威第六中学2022-2023学年高三上学期第三次过关考试理科数学试题云南省曲靖市第一中学2023届高三下学期2月月考数学试题(已下线)考点07 函数的对称性 2024届高考数学考点总动员【练】广东省广州市第八十六中学2022-2023学年高一上学期期末(线上)数学试题(已下线)高一上学期期中考试填空题压轴题50题专练-举一反三系列
名校
2 . 对于函数
现有下列结论:
①任取
,都有
;
②函数
在
上先增后减
③函数
有3个零点:
④若关于x的方程
有且只有两个不同的实根
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc2660c57e0cb6f907f49ae35677113.png)
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/f0a511387acb0ad93dbbb40f379035a1.png)
①任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a62b2963a3941525b41bc7a33e2a066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0176f10e9c91006b5a0879d116fdf55.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da4181c726a35038b509390cf141ed0.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc885041507845df45706bf1f4db5de.png)
④若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5787c31ddfa728fafb5a00295760360.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)
其中,正确结论的序号为
您最近一年使用:0次
名校
3 . 若存在实常数k和b,使得函数
对其公共定义域上的任意实数x都满足:
恒成立,则称此直线
的“隔离直线”,已知函数
(e为自然对数的底数),有下列命题:
①
内单调递增;
②
之间存在“隔离直线”,且b的最小值为
;
③
之间存在“隔离直线”,且k的取值范围是
;
④
之间存在唯一的“隔离直线”
.
其中真命题的序号为__________ .(请填写正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef655f5ecd8e5f7798c6e6747ba999b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c34f5d4207fbf261bdbcf0926155230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c17624c234559f04f5d94b7077f169a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55adeff09c4d3d878785239f0bf2e27a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc247e5237219a6169648a3d20483c9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b814095580525ddc8176650af6b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b814095580525ddc8176650af6b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c768cd9231a15caad0839f05d0f9207c.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8945c5bbc31c6617924d2c8aa29a091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17432e76b39908abe390d80f3c97f476.png)
其中真命题的序号为
您最近一年使用:0次
2018-09-02更新
|
1122次组卷
|
5卷引用:安徽省马鞍山市第二中学2018-2019学年高三上学期期中理科数学试题
2010·辽宁·一模
解题方法
4 . 已知函数
是
上的偶函数,对任意
,都有
成立,当
且
时,都有
给出下列命题:
①
且
是函数
的一个周期;
②直线
是函数
的一条对称轴;
③函数
在
上是增函数;
④函数
在
上有四个零点.
其中正确命题的序号为_____ (把所有正确命题的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54a16fd78a5464d7944e374552ed80b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16014834857c7ad49afc420095b5239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee798d2d512f7342c55a0d580f4367e2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7707d6b2754808adefc9b2fb976a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ffd26ee71de49bd8c5deba8f623159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041da7ce47a2aedda53953794fdbd3dc.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695c34aafd1c1ae276f9eddc53a397d.png)
其中正确命题的序号为
您最近一年使用:0次
5 . 在下列命题中,正确命题的序号为_______ (写出所有正确命题的序号).
①函数
的最小值为
;
②已知定义在
上周期为4的函数
满足
,则
一定为偶函数;
③定义在
上的函数
既是奇函数又是以2为周期的周期函数,则
;
④已知函数
,则
是
有极值的必要不充分条件;
⑤已知函数
,若
,则
.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d06215b160eb43fc7be227a31e9269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8aae28ca96120a3ec1f4ce541db3580.png)
②已知定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c01ab30854f54c2514d1a05f779b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8329471f251b9330f60fe6c593d821e.png)
④已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75044e0301ef9def5c1a1c8e6f2cba77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
⑤已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52142482df6bbd431d300f011e3ccb12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356704dd58441206abb070f2b8fc0cc8.png)
您最近一年使用:0次
2016-12-04更新
|
379次组卷
|
6卷引用:2016届河北省冀州市中学高三上学期期中考试理科数学A卷
名校
6 . 下列说法中:
①函数
与函数
的图象关于
轴对称;
②函数
(
且
)的图象恒过点
;
③函数
的最大值为1;
④任取
,都有
.
所有正确的命题序号为______ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3d36c7faa45fe5dae65a800cb59c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa80ae0b0eab1f14cccf872500f0843.png)
![](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/4bbfd0c7caacb8f926dbc857f913a6dd.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69ed50392c036ddbef1d13065e37fb1.png)
④任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf7a904df8f22e3f1e26a4116eb7913.png)
所有正确的命题序号为
您最近一年使用:0次
名校
7 . 某公园草坪上有一扇形小径(如图),扇形半径为
,中心角为
,甲由扇形中心
出发沿
以每秒2米的速度向
快走,同时乙从
出发,沿扇形弧以每秒
米的速度向
慢跑,记
秒时甲、乙两人所在位置分别为
,
,通过计算
,判断下列说法是否正确:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/0571c117-67e0-4a72-aab0-008b42eee53f.png?resizew=168)
(1)当
时,函数
取最小值;
(2)函数
在区间
上是增函数;
(3)若
最小,则
;
(4)
在
上至少有两个零点;
其中正确的判断序号是______ (把你认为正确的判断序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95394626ccd5a282232c20a751894713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4966e5af166b69a0a38a98abf555b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67f9411359267213daaa8fac3df71c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a5926f60339afee638ac1429b8762b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f288468a64851abfa926e541b24c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ece19a1760421e9b243e64ad93830d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/0571c117-67e0-4a72-aab0-008b42eee53f.png?resizew=168)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a646fb1459ac2adb931234b6e4f57a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4dafff83fd807d0010d1805d9f4552e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091eb7fb0054ec40a874663deee76429.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089fb3161f654d27fe750a90f4c851ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbc555ec98d90f6adc0b354f8c38bb0.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5eac1c60608ae3c358434f8c5da86a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1884b0525f15220a3aa966f75928daca.png)
其中正确的判断序号是
您最近一年使用:0次
2019-11-14更新
|
241次组卷
|
3卷引用:上海市行知中学2018-2019学年高三上学期期中数学试题
名校
8 . 已知函数
是定义在R上的偶函数,对任意
都有
,当
,且
时,
,给出如下命题:
①
;
②直线
是函数
的图象的一条对称轴;
③函数
在
上为增函数;
④函数
在
上有四个零点.
其中所有正确命题的序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f1a3feca6218955446108ebad0a524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4f495208cdf5c885355f4f6bd0479e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7da51ea2568e743b9033d68422fb688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13909e2861ce1a0a64fc9e8b37463a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c673b22d6733412db522a0ebed4bb4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b29c39bd1dbaabfde9a6ec596488e7.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880a8218c4b9d59523d1f35460c7a2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8944a17591d1189dae246718f8ade55.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e91bb7011ad55f5f033433f6c19c4e7.png)
其中所有正确命题的序号为
A.①② | B.②④ | C.①②③ | D.①②④ |
您最近一年使用:0次
2018-12-03更新
|
625次组卷
|
3卷引用:【全国百强校】山东省济南第一中学2019届高三上学期期中考试数学(理)试题
13-14高三上·四川成都·期中
9 . 若
是任意非零常数,对于函数
有以下5个命题:
①
是
的周期函数的充要条件是
;
②
是
的周期函数的充要条件是
;
③若
是奇函数且是
的周期函数,则
的图形关于直线
对称;
④若
关于直线
对称,且
,则
是奇函数;
⑤若
关于点
对称,关于直线
对称,则
是
的周期函数.
其中正确命题的序号为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c92f762652e758a704e26da76880e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69e1d195e1c8db175fcbc9326526ece.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c92f762652e758a704e26da76880e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378cb95209badfbf817682f6423ccd0b.png)
③若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/ce9d56d2eaa3493fbf341c2d00b5a5f3.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/23bf44c1841e4d3fa91f10715eb23a1e.png?resizew=41)
④若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/23bf44c1841e4d3fa91f10715eb23a1e.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/b37a67d258fd4475ad698567ec89c614.png?resizew=116)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
⑤若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/9c58d5f29b3049d09a232ee8d5029a57.png?resizew=44)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/90b0a3d940f2450c8e5ce63567a477e9.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/45170acd0f5c4d01a09adc14aeae6ebe.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571403473289216/1571403479064576/STEM/3c3fd8da0caa40de8d650bd0c5fe4350.png?resizew=83)
其中正确命题的序号为
您最近一年使用:0次
2014·全国·一模
解题方法
10 . 已知定义在
上的偶函数满足:
,且当
时,
单调递减,给出以下四个命题:
①
;
②
为函数
图象的一条对称轴;
③
在
单调递增;
④若方程
在
上的两根为
、
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab7ae9e51e7d2720eba7b0aba4e6221.png)
以上命题中所有正确命题的序号为___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54a16fd78a5464d7944e374552ed80b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7707d6b2754808adefc9b2fb976a6.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388709d8ab3092a934f3e225a6336169.png)
④若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbd93f99e65e319a1795952105eee5f.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/1ab7ae9e51e7d2720eba7b0aba4e6221.png)
以上命题中所有正确命题的序号为___________.
您最近一年使用:0次
2016-12-03更新
|
2389次组卷
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