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1 . 给出以下说法,其中正确的是( )
A.若![]() ![]() |
B.![]() ![]() ![]() |
C.若△![]() ![]() ![]() ![]() ![]() |
D.如果![]() ![]() ![]() |
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2 . 在
中,
,
,
分别为线段
上的两个三等分点,若
,则角
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc95721fb35aa84eb969852a5e7a5139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87139efc78ee4d339dc7f04b75cb64dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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