名校
1 . 下面四个命题:其中所有正确命题的序号是_________
①函数
的最小正周期为
;
②在△
中,若
,则△
一定是钝角三角形;
③函数
的图象必经过点(3,2);
④
的图象向左平移
个单位,所得图象关于
轴对称;
⑤若命题“
”是假命题,则实数
的取值范围为
;
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bfc13559eebd41f740c7e933f937f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
②在△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fd14f2a99e91ef13b4698435d02bdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86e270dfdf51f22ac156d21f58e9596.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189ddcd46cbec3847f056ad37ec8e2d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b899be3c4709ec661d84392b167230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
⑤若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0989f3faea6dcb70a176e3fef699709a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcb9a2665a87fb44f33f86736971886.png)
您最近一年使用:0次
解题方法
2 . 以下给出五个命题,其中真命题的序号为_______
①函数
在区间
上存在一个零点,则
的取值范围是
或
;
②“
”是“
成等比数列”的充分不必要条件;
③
;
④若
,则
;
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73236e2eab009f8283a1357c24afb6a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06eb266127414464d516aea16da5473d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002ad1638f25e355d70d5ab63e637f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e66b0aa8972c797c9f3ddccdd4fdd5.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9720430f7a78087a509e5ae5b764442.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386a8afb81a41fe2204242575ea39cab.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1b5f665d41a2d0e4980b35c1b6e578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c855dfd821bdda47ea3acdd3bac48e0.png)
您最近一年使用:0次
名校
3 . 下列说法正确的有_________ .
①函数
的一个对称中心为
;
②在
中,
是
的中点,则
;
③在
中,
是
的充要条件;
④定义
,已知
,则
的最大值为
.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31235ca9466454aac87b39e79c68af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9c823118b3b9edb8366d2fac9ec081.png)
②在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb38058bd90f11d9a2f844d109aeac7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c88ea44116cfbaafcb3701eb8a4cb4.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d0b9c0c01b49be6e08a111568f77f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34dd7e54abeeb98b1fb13777c78ca722.png)
④定义
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee372ba3332805dbe5cc0f989fd786e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00bb5bb1d8c7cbb6164232408bdcec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
您最近一年使用:0次
2017-12-05更新
|
1877次组卷
|
2卷引用:黑龙江省牡丹江市第一高级中学2018届高三上学期期中考试数学(文)试题
4 . 给出下列四个命题:
①函数
的最小正周期为
;
②“
”的一个必要不充分条件是“
”;
③命题
:
,
;命题
:
,
,则命题“
”是假命题;
④函数
在点
处的切线方程为
.
其中正确命题的序号是___________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dfe8e64230558fbeb4c8510026d2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
②“
![](https://img.xkw.com/dksih/QBM/2016/12/10/1579114254327808/1579114254893056/STEM/94ecda48128c4fceb0f9dbad594ee03b.png?resizew=96)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da322ac8867e8a47c6588601078abf18.png)
③命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a46a6558b79c126968068088a48b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e20282b44b9a81a094e73325a1e0583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e48ebdd742cb5d310c21a384d599bc6.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ee8d10c312bb883d4e214231e26b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577e72f8089c64b857b476701c3d18a9.png)
其中正确命题的序号是
您最近一年使用:0次
5 . 已知集合
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaed84ddeba68c1db942b71afb6c129d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5889470ff79ec1160385a3d45834f3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e4385a7e7ee4fb31dc613395b2a936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2016-12-04更新
|
517次组卷
|
3卷引用:2017届黑龙江宝清县高级中学高三理上期中试数学试卷