名校
1 . 二元一次方程组
存在唯一解的必要非充分条件是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91fa78432d1a129cff2637c9bea7733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.系数行列式![]() |
B.比例式![]() |
C.向量![]() |
D.直线![]() ![]() |
您最近一年使用:0次
2019-04-20更新
|
384次组卷
|
4卷引用:上海市七宝中学2019届高三下学期开学考试数学试题