名校
解题方法
1 . 已知
则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8cdc1ce702b7bfd9283be9720dfe7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b16bf34319c1b93fa85162b3eb8d8b1.png)
您最近一年使用:0次
解题方法
2 . 下列命题:
①
中,若
,则
;
②若A,B,C为
的三个内角,则
的最小值为
;
③已知
,则
的最小值为
;
其中所有正确命题的序号是______ .
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d0b9c0c01b49be6e08a111568f77f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b6662c6f84e1c97c9d05d9ae62c1eb.png)
②若A,B,C为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22b0859248973d51cd8eeafe373700a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206f73d2f0fa051e76a60bd574c6ab3c.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1370a046c268562637220794129e20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4fc8faefb26b233d4aa9dbef043aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a245373cb2db163f5ab4375431db3cad.png)
其中所有正确命题的序号是
您最近一年使用:0次
3 . 边长为1的正方形
沿
对折成二面角
,若三棱锥
的体积是
,则锐二面角
的大小等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c909cd1b6f3fa1ec39eb245e8f5c11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c26cd130c1f0897d2524beb34a329bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c909cd1b6f3fa1ec39eb245e8f5c11c.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,若关于
的方程
有
个不同的实数根,则实数
的取值范围是__________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85b330a42dd911331e67344336a988e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf39618737de7ae7cd5748ea9659332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2022-01-16更新
|
782次组卷
|
3卷引用:四川省仁寿县第一中学2021-2022学年高一上学期期末模拟考试数学试题
名校
5 . 已知函数
在
上单调递减,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39f9bc62380920faae3aabc9ce11214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95167d339851668666c00819537737c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-01-16更新
|
859次组卷
|
4卷引用:四川省仁寿县第一中学2021-2022学年高一上学期期末模拟考试数学试题
6 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269825e00dd4ca41ede8e1ab325d66ea.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8754949daa330e505a40917e7db23c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269825e00dd4ca41ede8e1ab325d66ea.png)
您最近一年使用:0次
2022-05-16更新
|
1358次组卷
|
6卷引用:四川省德阳市第五中学2021-2022学年高一上学期12月月考数学试题
名校
解题方法
7 . 函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26af2cee71cadc064112e4976c42411b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71370650f247bb27a3cec6d52aecfe0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
为
上的偶函数,当
时,
,对于结论
(1)当
时,
;
(2)方程
根的个数可以为
;
(3)若函数
在区间
上恒为正,则实数
的范围是
;
(4)若
,关于
的方程
有
个不同的实根.
说法正确的序号是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce427e97019745d570dd2728027fba5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0748eafe2c69f995fdb032b8afc127.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4724381345ed23396777a9be9466a78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68361a0dd9b8debcc9d19558184a5c5.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f2d98207e6688e7233bb22d5908ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfdd3d02b54e997cbec983d80f6bafd.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b393334bedc719f3474f5afc867042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
说法正确的序号是
您最近一年使用:0次
名校
9 . 函数
是幂函数,对任意
,且
,满足
,若函数
(其中
且
)在
上单调递增,则
的取值范围是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0207333baa57337c63e7f11f2bd33cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd7af568e3d9f444beb0ff41426477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf10e329a3047029fca327ce92c4029.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
10 . (补充定义:已知函数
在定义域内的任意
都存在一个正常数
使得
恒成立,则称
是以
为周期的周期函数.可知若
是以
为周期的周期函数,有
成立)已知函数
是
上的奇函数,对任意
,都有
成立,当
,且
时,都有
,有下列命题:
①
;
②直线
是函数
图象的一条对称轴;
③函数
在
上有
个零点;
④函数
在
上为减函数;
则结论正确的有_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7c7b4934410a1727fe7024a6bd740f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78dee3047c2b38bd16938344633a3e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.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/698cf53f76a1d637dfe2732d0a866eec.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af765137d1e31d095ba7674bd2c46cb.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf2917e77945b30da7be9b48b0b317a.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/1d2a7b456eeaf035021c1db7beea8512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8434625e23870a2d1595d373d55a739.png)
则结论正确的有
您最近一年使用:0次