名校
解题方法
1 . 已知
,
,且
,证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7dbc702617c765a573961953cc0901.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ba449a8e384c9696b21ec11f19e256.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef22557e767d36c91571675e964825e4.png)
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解题方法
2 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
A.![]() | B.![]() ![]() |
C.若![]() ![]() | D.![]() |
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解题方法
3 . 【多选题】下列命题中,为真命题的有( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 某数学兴趣小组对函数
进行研究,得出如下结论,其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fee9aae0429c2cf50579b8e338b307.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() ![]() |
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解题方法
5 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a525e811ffc32387348f431b04c32225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce243be426caee3afd136c7c47f3e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa65fbb04bade6da52b633edf66b7b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知a,b,c满足
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知函数
,若
,且
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067a6d98a2000ae216c2b5176e93b97c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ecca31f7a67045fe8e29197cb8e678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1059b74544269f13e6fc0c78f9bc2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
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名校
解题方法
8 . 设正实数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-03更新
|
787次组卷
|
6卷引用:湖南省长沙市长郡中学2023-2024学年高一上学期期末考试数学试题
湖南省长沙市长郡中学2023-2024学年高一上学期期末考试数学试题(已下线)2.2基本不等式(第1课时)安徽省马鞍山市劲松学校2023-2024学年高一下学期开学考试数学试题(已下线)微考点1-1 新高考新试卷结构中不等式压轴4大考点总结湖北省黄冈大光华高级中学2023-2024学年高一下学期第二次半月考数学试卷山西省大同市第一中学校2023-2024学年高一下学期3月月考数学试题
名校
解题方法
9 . 已知正实数x,y,z满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a29c80b157273fa7d9006b08a42fbb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-31更新
|
327次组卷
|
2卷引用:安徽省阜阳市2023-2024学年高一上学期期末联考数学试卷
10 . 如图,在直角三角形
中,
,
垂直于斜边
,且垂足为
,设
及
的长度分别为
和
,
是
的中点,点
绕点
顺时针旋转
后得到点
,过
点作
垂直于
,且垂足为
.有以下三个命题:
①由图知
,即可以得到不等式
;
②由图知
,即可以得到不等式
;
③由图知
,即可以得到不等式
;
以上三个命题中真命题的是______ .(写出所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8e9ec412ea0355e4e5cd06c60e5fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87f673c8f5c214d1e59bfe21fe82397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
①由图知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31367f0685c866fb013012c699803a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/160414ad552f0f114a6bc92bcf000270.png)
②由图知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ffac6c07b3208f1ab97386df03b617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22fa0018340c11558c0ef8dbe422cb0.png)
③由图知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddff7f3e7ba78336d8b9d96d0065e1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516372020f70ab0b86e02f96f3e684e1.png)
以上三个命题中真命题的是
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/e5b38708-1c30-46c5-b816-773546683593.png?resizew=188)
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