1 . 故
,
,
,则a,b,c的大小顺序是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41cc9049109e6181040d7d228ad2e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f05365542ed98a53024d9f55de89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fdd39ad10070a9795be393aabdd9b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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今日更新
|
304次组卷
|
8卷引用:江西省临川第一中学2023届高三上学期期末考试数学(理)试题
名校
解题方法
2 . 已知函数
.
(1)讨论
的极值;
(2)若
,
为整数,且当
时,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2942418d8b05c9a5360266f595672e16.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf8771f729445a0b5cfd4ee4a898ec90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
3 . 在锐角
的内角
的对边分别为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12ca32a94159b05cf87240e2092750d.png)
(1)求角
的大小;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12ca32a94159b05cf87240e2092750d.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aef3ff86477aa6116499f7949f9a617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
4 . 某班学生的一次数学考试成绩(满分:100分)服从正态分布:
,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f25c0b30ae513d94276643978a430f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e209e2965c4dd3fb9714296529bb05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5ef673916b56f9ed855cfc72daf9c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4edb8801a9ea8b818e72f52dd8b6244c.png)
A.0.14 | B.0.22 | C.0.2 | D.0.26 |
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5 . 已知函数
对任意实数
,均有
恒成立,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffd082d7fd097092d59b2ae4fde852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b8e2337e5b7cbbf12859fb91e2d832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc87e890919dca57d19453789d42d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad12f0529fab228be6d80609ffd1f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 如图,在矩形
中,点
是
的中点,点
在
上.
是
上靠近
的三等分点,设
,求
的值;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513430f95baf6d2136dbaee93d25d9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cac82fe9a990a3923a43c453486c388.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1a7aebc26cd4c18a34db7fe0fdb95a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c324a9ef05893efa68862d578cfa96.png)
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解题方法
7 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d4d1630360feba06138ffdd92b3efd.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecae966ab803d56b068ab2b97b913c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d4d1630360feba06138ffdd92b3efd.png)
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8 . 已知函数
的最小正周期为
,且它的图象关于直线
对称,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967910584cddfdd66bf21749bc511d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4eae5056ae4e4f11c49fe4b1fb67908.png)
A.将![]() ![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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9 . 化简下列各式:
(1)
.
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc9461b42cae9d7f2b93795de3f328a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325dd58d4bb86b0cf31464cda0943d0d.png)
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10 . 已知函数
图象的一条对称轴为直线
,这条对称轴与相邻对称中心之间的距离为
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce7cc2c4fcf9afcfb8941f489c2502e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e56709c76b5ae87d528fb5240e7617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次