名校
解题方法
1 . 已知函数
是
上的奇函数,对任意
,都有
成立,当
,且
时,都有
,有下列四个结论:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e0e611119ecac34c752f064aa49df4.png)
②点
是函数
图象的一个对称中心;
③函数
在
上有2023个零点;
④函数
在
上为减函数;
则所有正确结论的序号为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbf125838217a7f42364e7aec81cc25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6c0fddb9074dfc96be03b4aa24d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c512b52ae0d7d418128f4c621a15d16.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e0e611119ecac34c752f064aa49df4.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f6da865cd03d37c7b745cf0eb27bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/620acbfcc5f587930985eacbc52946b5.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7ba8c61552431c348394c48db0b0e6.png)
则所有正确结论的序号为
您最近一年使用:0次
2022-07-04更新
|
383次组卷
|
4卷引用:四川省内江市第一中学2022-2023学年高三上学期10月月考理科数学试题
名校
2 . 等差数列
的前
项和为
,若
,公差
,有以下结论:
①若
,则必有
; ②若
,
,则
;
③若
,则必有
; ④若
,则必有
.
其中所有正确结论的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63911d261ebb75e0ab8f76b58cbb7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e93339c2793d3d8add8cd5770d20fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6c2e49c873187b12e90a7b4d5d906b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b043acaf51edc23e735492fa61e66f4.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea31d9dcfd7fba1b7c90d4c349525ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe9f984aaa409de0dde80189cda4d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d77bb6b1a5ca128223c897cf09ba19d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9a959dda5985723ef15d5d31ea6a25.png)
其中所有正确结论的序号为
您最近一年使用:0次
2021-08-03更新
|
624次组卷
|
3卷引用:四川省资中县第二中学2022-2023学年高二上学期开学考试理科数学试题
名校
解题方法
3 . 已知函数
,
,有下列
个命题:
①若
为偶函数,则
的图象自身关于直线
对称;
②函数
与
的图象关于直线
对称:
③若
为奇函数,且
,则
的图象自身关于直线
对称;
④若
为奇函数,且
,则
的图象自身关于直线
对称;
其中正确命题的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5d21afde29fec5603ecb4482290e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94c4a3b6d80691ab6870e86447153ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5446551817b6d3d70d4ae04d1f45b0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abf4158f6871bcdab5121fcb171a9e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7647c4d6ba17fc79acef09b9515f69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
其中正确命题的序号为
您最近一年使用:0次
2021-09-05更新
|
1830次组卷
|
7卷引用:四川省内江市威远中学校2022-2023学年高三上学期第一次阶段性考试数学(文)试题
四川省内江市威远中学校2022-2023学年高三上学期第一次阶段性考试数学(文)试题黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第一次验收考试理科数学试题黑龙江省哈尔滨市道里区第三中学校2021-2022学年高三上学期第一次质量检测数学(文)试题(已下线)专题12 函数的基本性质-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题12 函数的基本性质-备战2022年高考数学(文)母题题源解密(全国甲卷)(已下线)第03讲 函数的奇偶性、对称性与周期性(讲+练)-2023年高考数学一轮复习讲练测(新教材新高考)黑龙江省哈尔滨市第三中学2021-2022学年高三第一次验收考试文科数学试题
名校
解题方法
4 . 在四棱锥
中,平面
平面
,底面
为梯形,
,
.
①
平面
;
②
平面
;
③
是棱
的中点,棱
上存在一点
,使
.正确命题的序号为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/a8b6fbee-973b-46c0-a9b5-0c9ebf466ae8.png?resizew=153)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.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/cdb2dd10731b99c0f4f89ee957f8a239.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5067751c639aab4d15bd92fad965dcd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/a8b6fbee-973b-46c0-a9b5-0c9ebf466ae8.png?resizew=153)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次
名校
5 . 给出以下几个结论:
①若
,
,则
;
②如果
且
都不为
,则
,
;
③若
,
是夹角为
的两个单位向量,则
,
的夹角为
;
④在
中,三内角
所对的边分别为
,则
;
其中正确结论的序号为______ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90882db1028f1e2440339d203c1901e6.png)
②如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6893511ebfd1fac1412774e04e10748d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bc5f0ef5e9129e22310d5ea17cf1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5600adbf8003f263ae7baf49c05071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2868a9fe011f56a80c9d1a8ee4604d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fe4e713c108e118522a99ecd683924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0942b32552d016471809659af20ac97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c7e86192bb666b3fb41b3694e79d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
④在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be845b564ed27a6093a44e5be491601.png)
其中正确结论的序号为
您最近一年使用:0次
2020-05-15更新
|
407次组卷
|
2卷引用:四川省内江市第六中学2020-2021学年高二上学期开学考试数学(理)试题
名校
解题方法
6 . 已知正四棱柱
的底面边长为2,侧棱
为上底面
上的动点,给出下列四个结论:
①若PD=3,则满足条件的P点有且只有一个;
②若
,则点P的轨迹是一段圆弧;
③若PD∥平面
,则DP长的最小值为2;
④若PD∥平面
,且
,则平面BDP截正四棱柱
的外接球所得图形的面积为
.
其中所有正确结论的序号为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48eab2e9070bf8d094193ea52f1129a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
①若PD=3,则满足条件的P点有且只有一个;
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71826134c3080aa75becc655a9089855.png)
③若PD∥平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cfdc6224181d44e63aab43ddaf07ef.png)
④若PD∥平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cfdc6224181d44e63aab43ddaf07ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71826134c3080aa75becc655a9089855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2dfd7c4a190b8dbbc56f2fcc2b2ce0.png)
其中所有正确结论的序号为
您最近一年使用:0次
2019-01-21更新
|
823次组卷
|
4卷引用:四川省内江市第六中学2021届高三第七次月考理科数学试题
名校
解题方法
7 . 已知直线
与双曲线
相交于M、N两点,双曲线C的左、右顶点分别为A、B,若直线AM与BN相交于点P,则下列说法正确的有______ (填写正确命题的序号)
![](https://img.xkw.com/dksih/QBM/2022/1/8/2889999141822464/2912159608569856/STEM/34487f5d-4b1f-458b-bdcb-20c8b8eb0b0e.png?resizew=167)
①实数
的取值范围为
或
;②直线AM与直线BN的斜率之积为定值;③点P在椭圆
上;④三角形PAB的面积最大值为ab.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1331519fd9ca511b19148878b1cacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://img.xkw.com/dksih/QBM/2022/1/8/2889999141822464/2912159608569856/STEM/34487f5d-4b1f-458b-bdcb-20c8b8eb0b0e.png?resizew=167)
①实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb193ae31142011d07756aa27b75dad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
您最近一年使用:0次
2022-02-08更新
|
1772次组卷
|
4卷引用:四川省内江市威远中学校2021-2022学年高二下学期第一次月考数学(文)试题
四川省内江市威远中学校2021-2022学年高二下学期第一次月考数学(文)试题安徽省示范高中2021-2022学年高三上学期冬季联赛理科数学试题(已下线)专题11 圆锥曲线第三定义与点差法 微点1 圆锥曲线第三定义的应用(已下线)第八章 解析几何 专题9 圆锥曲线第三定义的应用 高中数学优质试题一题多解和变式训练
解题方法
8 . 关于函数
,下列说法正确的是___________ (填上所有正确说法的序号).
①
的定义域为R;
②
的值域为R;
③
为偶函数;
④
为周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ac60233ee637e74ac37a506111a518.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,
.下列有关
的说法中,正确的是______ (填写你认为正确的序号).
①不等式
的解集为
或
;
②
在区间
上有四个零点;
③
的图象关于直线
对称;
④
的最大值为
;
⑤
的最小值为
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe15894f2b703077f9adb1b176e2ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b604c6522119e77c1cb16b91532a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d41828f11ba0076148c603453748997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2a2f2bf065f27510da8aaef7b3e367.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6595f862f1b3dfc3e8ec0331c8cc9ed6.png)
⑤
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7卷引用:四川省内江市高中2020-2021学年高三上学期第一次模拟考试数学理科试题
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