对于
中角
所对的边分别为
则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832a6ae04b25ef0896bd607cdcda60ca.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
更新时间:2024-05-27 20:13:58
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解题方法
【推荐1】下列不等式中,正确的有( )
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
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【推荐2】已知抛物线
:
与抛物线
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc67f34cd2a13df664e342616e77fb6f.png)
在第一象限交于
点,过
点的直线
分别与
,
交于
,
两点,且
为线段
的中点,
为坐标原点,则( )
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A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】下列说法正确的是( )
A.已知![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
B.在![]() ![]() ![]() ![]() ![]() |
C.已知在![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.在![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
【推荐2】在
中,角
所对的边分别为
.若
,且边
上的中线
长为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05e85a0a24292779fa5e5e37358ee28.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
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解题方法
【推荐1】记
的内角A,B,C的对边分别为a,b,c,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
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【推荐2】已知a,b,c分别是
三个内角A,B,C的对边,下列四个命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次