名校
解题方法
1 . 在
中,a,b,c分别为角A,B,C的对边,设向量
,且
.
(1)求角C的大小;
(2)若
,且
,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c166bf8bed9264fe7660d486814022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b5f7053c7a9f7582246ca606d55f6.png)
(1)求角C的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f002f960ec07ea229ed243e2d991d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289295fad0d1c11fc74470e8bb0c6be0.png)
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名校
解题方法
2 . 已知
内角A,B,C所对的边分别为a,b,c,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487adac451e54fc65c0e4194eb53a451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36353a986eed042a3b07d4a904d9077.png)
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487adac451e54fc65c0e4194eb53a451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36353a986eed042a3b07d4a904d9077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a99fe0e33a037210d2f599c3dcee32e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 已知全集
,
,
,求:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89504e77251a53877e41b64cb5c943d.png)
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69362f5972b533bcb411d60ef595a6ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6481440421886479c19a02b091f681.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89504e77251a53877e41b64cb5c943d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fe3164411a3e4bb4589318918b2574.png)
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名校
解题方法
4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40eba5de68ff358edac7c9b499babe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a01806c1c7b759ee4e844741bbe8a17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-26更新
|
260次组卷
|
2卷引用:宁夏吴忠市秦宁中学2023-2024学年高一上学期月考(二)数学试题
名校
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15af064ca607c864b50043a55f4643c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b5d7c6bdb949e49a5e93b80bee692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc513d6d0d2f841fb9ea974a25703bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85dc62562517bbd8a98666c9e3d93027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-10更新
|
492次组卷
|
3卷引用:宁夏青铜峡市宁朔中学2023-2024学年高一上学期第二次月考数学试题
名校
7 . 下列命题是假命题的是( )
A.![]() |
B.![]() |
C.设![]() ![]() ![]() |
D.设![]() ![]() ![]() ![]() |
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名校
解题方法
8 . 已知集合
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d53a020b6eef9df5f58f7c6fc8c66ce.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
9 . 设全集
,集合
,集合
,其中
.
(1)若“
”是“
”的必要条件,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521b88c5ca35d98594f0e684fac7f512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e2f170d8302023a4378f27f62c97a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-09-26更新
|
93次组卷
|
2卷引用:宁夏银川一中教育集团健康城校区2023-2024学年高一上学期9月月考数学试题
名校
10 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63bd820bf7b6680ae8ef2a5f0c8b5713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfc61ae38840a3b57196d6d6b1e8008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-07更新
|
2002次组卷
|
5卷引用:宁夏回族自治区银川市第二中学2023-2024学年高一上学期第一次月考数学试题