名校
1 . 对于函数
现有下列结论:
①任取
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b27d9aafc2de07ff3506cadf89c420f.png)
②函数
在
上单调递增
③函数
有
个零点
④若关于
的方程
恰有
个不同的实根
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9145e7bebf14b87e0ef3d0309c1c6eb1.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/6e88abcc6e4b6381edaba959ee4b3286.png)
①任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a62b2963a3941525b41bc7a33e2a066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b27d9aafc2de07ff3506cadf89c420f.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd2993f6583edb4693a760f3f276a66.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6647ff4260f63b1d2a0c74c31bb69030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
④若关于
![](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/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9145e7bebf14b87e0ef3d0309c1c6eb1.png)
其中正确结论的序号为
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2020-04-09更新
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497次组卷
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2卷引用:黑龙江省哈尔滨三中2017-2018学年高三上学期期中考试理科数学试题
名校
2 . 在下列命题中
①函数f(x)=![](https://img.xkw.com/dksih/QBM/2017/9/12/1779404213936128/1790884842864640/STEM/b180ff2b605049439224b1b28b896b2a.png?resizew=13)
在定义域内为单调递减函数;
②已知定义在R上周期为4的函数f(x)满足f(2﹣x)=f(2+x),则f(x)一定为偶函数;
③若f(x)为奇函数,则
f(x)dx=
2f(x)dx(a>0);
④已知函数f(x)=ax3+bx2+cx+d(a≠0),则a+b+c=0是f(x)有极值的充分不必要条件;
⑤已知函数f(x)=x﹣sinx,若a+b>0,则f(a)+f(b)>0.
其中正确命题的序号为________ (写出所有正确命题的序号).
①函数f(x)=
![](https://img.xkw.com/dksih/QBM/2017/9/12/1779404213936128/1790884842864640/STEM/b180ff2b605049439224b1b28b896b2a.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2017/9/12/1779404213936128/1790884842864640/STEM/76e41186ce9a4e57a25bd90290345d42.png?resizew=13)
②已知定义在R上周期为4的函数f(x)满足f(2﹣x)=f(2+x),则f(x)一定为偶函数;
③若f(x)为奇函数,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf1afb94a2b6192ff8384ca799f395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65e406ef0b179ee713a87ced7d5606d.png)
④已知函数f(x)=ax3+bx2+cx+d(a≠0),则a+b+c=0是f(x)有极值的充分不必要条件;
⑤已知函数f(x)=x﹣sinx,若a+b>0,则f(a)+f(b)>0.
其中正确命题的序号为
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2017-10-08更新
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374次组卷
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4卷引用:安徽省黄山市屯溪第一中学2016-2017学年高二下学期期中考试数学(理)试题1
3 . 给出以下四个命题:
①已知命题
;命题
.则命题
是真命题;
②命题“若
,则
有实根”的逆否命题;
③命题“面积相等的三角形全等”的否命题;
④命题“
,则
”的逆命题.
其中正确命题的序号为___________ .(把你认为正确的命题序号都填上)
①已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b4755ea7583e97f1d4758bf9aa7240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd51a797da1fc76a87b5aeba4d79240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
②命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c62b44fae618a37c145b3b5d1f1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5707186257494f1fea86066f2778b5.png)
③命题“面积相等的三角形全等”的否命题;
④命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f7906f9faac3a41101e4c3cbd60414.png)
其中正确命题的序号为
您最近一年使用:0次
4 . 给出下列命题:
①命题“同位角相等,两直线平行”的否命题为:“同位角不相等,两直线不平行”.
②“
”是“
”的必要不充分条件.
③“
或
是假命题”是“
为真命题”的充分不必要条件.
④对于命题
:
使得
,则
:
均有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491ef2ec844032e0c2ab9cc4a545dff3.png)
其中真命题的序号为________ (把所有正确命题的序号都填在横线上)
①命题“同位角相等,两直线平行”的否命题为:“同位角不相等,两直线不平行”.
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727bd2eb1d561e821c4d175f15cf705e.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
④对于命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455f2c260624da19c2b044f1e80006b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6854e4631eb5f02d9f60732d80ad7117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21f00047ebe6f01a61e53c08192b8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491ef2ec844032e0c2ab9cc4a545dff3.png)
其中真命题的序号为
您最近一年使用:0次
名校
5 . 给出下列三种说法:
①命题p:∃x0∈R,tan x0=1,命题q:∀x∈R,x2-x+1>0,则命题“p∧(
)”是假命题.
②已知直线l1:ax+3y-1=0,l2:x+by+1=0,则l1⊥l2的充要条件是
=-3.
③命题“若x2-3x+2=0,则x=1”的逆否命题为“若x≠1,则x2-3x+2≠0”.
其中所有正确说法的序号为________________ .
①命题p:∃x0∈R,tan x0=1,命题q:∀x∈R,x2-x+1>0,则命题“p∧(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
②已知直线l1:ax+3y-1=0,l2:x+by+1=0,则l1⊥l2的充要条件是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
③命题“若x2-3x+2=0,则x=1”的逆否命题为“若x≠1,则x2-3x+2≠0”.
其中所有正确说法的序号为
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2016-12-05更新
|
991次组卷
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6卷引用:2016-2017学年河北馆陶县一中高二上期中数学试卷
2016-2017学年河北馆陶县一中高二上期中数学试卷黑龙江省海林市朝鲜族中学高三数学人教版选修1-1同步练习:第一章 常用逻辑用语单元测评江西省会昌中学2018-2019学年高二上学期第一次月考数学(理)试卷辽宁省沈阳市郊联体2018-2019 学年高二上学期数学(文科)期末试题(已下线)专题1.3 简单的逻辑联结词、全称量词与存在量词(精练)-2021年高考数学(文)一轮复习学与练广西壮族自治区钦州市第四中学2023届高三上学期9月考试数学(文)试题
6 . 给出下列四个命题:① 存在
,
;② 存在
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6803eb79cf1d90b6d566b178f4ce4768.png)
;③ 任意
,
;其中真命题的序号为________ (写出所有序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7f0406f806e634742d9436f9f35ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6803eb79cf1d90b6d566b178f4ce4768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f28be7acbf9319f676cef298d58f14f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908e3b4e523c042732ccb7c215aac99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308dfcb59b46d2b9d6e63f768267b668.png)
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7 . 定义在区间
上的连续函数
,如果
,使得
,则称
为区间
上的“中值点”,下列函数:
①
;②
;③
;④
中,在区间
上“中值点”多于一个的函数序号为__________ .(写出所有满足条件的函数的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253f151ce30bbf38127910a39d134c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1ebea8ae294b4009e703414fe49e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfc8affebde04424fd3e677e38a4dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0bc4f7ba817dca32178b65d9aab5c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e96546b3259afe4add331673fb835c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1319a9ca9b237a6be4d7b7e5c1aa1d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
您最近一年使用:0次
2017-11-01更新
|
491次组卷
|
4卷引用:北京西城35中2017届高三上学期期中数学试题
名校
8 . 给出以下四个命题:
①若
,则
;
②已知直线
与函数
,
的图像分别交于点
,则
的最大值为
;
③若数列
为单调递增数列,则
取值范围是
;
④已知数列
的通项
,前
项和为
,则使
的
的最小值为12.
其中正确命题的序号为__________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d6063ee5703cb140dfc69c9cde0bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bfa5bb8b7d70c8dbf01bbc01d2b2019.png)
②已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8feb6516836167daab0bad41689b5d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
③若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c33b314a69d8a715bfd7e1481f0463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb74292380b8df9519b9c33bfd564f8.png)
④已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c4593f37ce523cfa8fb5c102240319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49763402b2f2023f0ba64c37924267d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
其中正确命题的序号为
您最近一年使用:0次
2020-05-22更新
|
779次组卷
|
3卷引用:广西南宁市第三中学2019-2020学年高一期中段考数学试题
9 . 在下列给出的命题中,所有正确命题的序号为__________ .①函数
的图象关于点
成中心对称;②对
若
,则
或
;③若实数
,
满足
,则
的最大值为
;④若
为钝角三角形,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb18deb9367e12d39dcd54b310b63e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6653dd342a6df38335d64e9e720e967d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a618d08d71463522c37df3378d358850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f078bd034d679faeb1a01530af32783c.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/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17b0033ec26789418ffe13fa677e0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57067c1145bbe8c6cc231d7e74727032.png)
您最近一年使用:0次
名校
10 . 给出下列命题:
①函数
是奇函数;
②存在实数
,使
;
③若
,
是第一象限角且
,则
;
④函数
在
上的值域为
;
⑤函数
的图象关于点
成中心对称.其中正确命题的序号为_________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5508fb648f060f1128ed2a95b66c048.png)
②存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f7da37edc88e1c82456f2c6d072535.png)
③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)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c20c28856587dc8cd4e0842a86709f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b67284ca9982944fd8bbe0a49102669.png)
⑤函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e13df8acedad03eb7d6f5f466332cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ebb7b00c8246c9a938bdbf40b4e7fe.png)
您最近一年使用:0次
2020-02-20更新
|
313次组卷
|
2卷引用:四川省泸州市泸县第五中学2019-2020学年高一下学期期中考试数学试题