1 . 若直线
:
,
:
,
:
,
:
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e7a217d4f2a47ec1fc8d675a0940b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f933b7ecf97ad3842ef891a831449a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c25749ce80ec08593c3f7bce97be85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6599b8f014efb1ac974f1ff915359616.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() ![]() |
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解题方法
2 . 线
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ee75f479067c748079668183758a6b.png)
A.当![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次