1 . 函数
的单调递减区间为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321ae134ed851588c49e283c2b0799cb.png)
您最近一年使用:0次
2 . 已知函数
,若对于
,均有
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb2ed940549b28362c499e6079af832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a036bcfcedf6ad54932fc9ac73bacd67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
3 . 如图所示,在
中,
为
边上的一点,且
.若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd89e1cab1b072f0e3f2ed01c5422a46.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7ba9af2a7cb0d449c4a7f78315f432.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4b26360bb4125f25a9c0cd1344bf6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd89e1cab1b072f0e3f2ed01c5422a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16691c0355502ce4e92d6d7c75aa4ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7ba9af2a7cb0d449c4a7f78315f432.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/57c6a0ce-e927-47ad-9bee-443f03e236c9.png?resizew=124)
您最近一年使用:0次
4 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11dd1e9310516976039c7a3705bfd7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a362c48b70c1a9a676c5fe5c05f4acac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11dd1e9310516976039c7a3705bfd7.png)
您最近一年使用:0次
名校
解题方法
5 . 设
为
的外心a,b,c分别为角A,B,C的对边,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dafd0493191ba1a8f6dcbeaf4433210.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dafd0493191ba1a8f6dcbeaf4433210.png)
您最近一年使用:0次
2023-05-20更新
|
396次组卷
|
2卷引用:江西省宜春市樟树市清江中学2022-2023学年高一下学期5月期中考试数学试题
名校
6 . 函数
恰有两个零点,则实数m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5013ef37606cf1d4095e0da6e2dff1.png)
您最近一年使用:0次
2023-05-19更新
|
353次组卷
|
3卷引用:江西省抚州市资溪县第一中学2022-2023学年高一下学期5月期中考试数学试题
江西省抚州市资溪县第一中学2022-2023学年高一下学期5月期中考试数学试题四川省南充市高坪区南充市白塔中学2022-2023学年高一下学期期中数学试题(已下线)山东省实验中学2024届高三第一次诊断考试数学试题变式题15-18
名校
解题方法
7 . 已知平面向量
满足
,
,
.若
与
,
与
,
与
的夹角分别为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18adcd988d80833c5d730bdc2529e21.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcad49be70d78e1e475d77c9d64d617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf508c8d34aab12dae46e1d05fcd7f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da73c803c653edd1d674e05f098636e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dde16b05fba6fc61779511e63f34fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dde16b05fba6fc61779511e63f34fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18adcd988d80833c5d730bdc2529e21.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,
,若对
,恒有
,且点
满足
,
为
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb53a5e73f95e3f46a34965c5c0ac73.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0546922161d5d5a5ff1112b933b12d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3115f2270ae1b4068b5220f4d43d91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea7936ad4048b3fc87a81d5469ec33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933263c1d6dd3c19a0e47214643b177d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917e2dda7f38f6d6d61f399ed4a0e0ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb53a5e73f95e3f46a34965c5c0ac73.png)
您最近一年使用:0次
2023-05-12更新
|
901次组卷
|
6卷引用:江西省湖口中学2022-2023学年高一下学期5月期中考试数学试题
名校
9 . 已知函数
,(
),
若函数
在区间
内没有零点,则
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740846f405ea1de3f036145140023a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9bbf6e7847f96706b54f079716bf23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2023-05-11更新
|
331次组卷
|
2卷引用:江西省宜春市樟树市清江中学2022-2023学年高一下学期5月期中考试数学试题
名校
10 . 若向量
,
的夹角为钝角,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5463fb0b7d03747aa4d680620ca81be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b367cd64c9abc26ce1bfee081c4ed547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次