名校
解题方法
1 . 下列选项中正确的是( )
A.在任意三角形![]() ![]() |
B.在![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.不存在![]() ![]() |
D.在![]() ![]() ![]() ![]() |
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2 . 如图,我市有一条从正南方向
通过市中心
后向北偏东
的
方向的公路,现要修建一条地铁
,在
、
上各设一站
,
,地铁线在
部分为直线段,现要求市中心
到
的距离为
.
(1)若
,求
,
之间的距离;
(2)求
,
之间距离最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57601db9d81fffe2b6b472db94c3c5b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/15/8dba1411-87f3-45a2-94b2-e096a9c6eb78.png?resizew=100)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02237a2215fc22f25da4d218b0d0f33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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|
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2卷引用:江苏省南京市第二十九中学2022-2023学年高一下学期5月月考数学试题
3 . 下列四个等式中正确的是( )
A.![]() |
B.![]() |
C.已知函数![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() |
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4 . 下列各式中值为1的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf11da3ac09bbe55ed5442742a9bf25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc958d95f1982658375580482db20d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124df5d3827c724a503e0326e462547f.png)
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解题方法
6 . 化简求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9577d3905e42b82e9e04418e498e4c7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e236a0cc8a905198c2db4aba4a5379.png)
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2023-04-01更新
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解题方法
7 . 下列计算正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 .
的内角
,
,
的对边分别为
,
,
,则下列命题正确的个数是( )
(1)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
(2)若
,
,
.则
有两解
(3)已知
的外接圆的圆心为
,
,
,
为
上一点,且有
,则
.
(4)若三角形
为斜三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8736c95bcc4e266c2cc558c1c149b41e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b220c05e6feedc8044586067a558fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71807a35b3170fce28ee6edf4c00d083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ecb91d19a693299dcdad4059b6237a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6e6c84a305f2f42dadeabdc834e45b.png)
(4)若三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8736c95bcc4e266c2cc558c1c149b41e.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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解题方法
9 . 在△ABC中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7490a9b20cc5a44479a4397eaa423686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
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解题方法
10 . 下列命题中正确的是( )
A.在![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.![]() |
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2023-03-17更新
|
371次组卷
|
2卷引用:湖南省长沙市A佳教育联盟2022-2023学年高一下学期3月联考数学试题