如图,在正方形网格中,点A,B,C,D均在格点上,则∠ABC+∠BCD=_______ °.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/87b028c9-05c9-4d16-821f-22eb8abca2de.png?resizew=136)
更新时间:2022-07-07 15:52:48
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【推荐1】如图所示,已知
,正五边形
的顶点A、B在射线
上,顶点E在射线
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3523108628deff449db3b5d45284691.png)
______ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b5d523373b8cbfa33e42a1bf154544.png)
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【推荐2】在
中,
,P是
的中点,M、N分别是
延长线上的点,且
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的度数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐1】如图,等边△ABC和等边△CDE中,B、C、D 共线,且BC=3CD,连接AD和BE相交于点F,以下结论中正确的是_________ (写序号)①∠AFB=60º;②连接CF,则CF平分∠BFD;③BF=3DF;④BF=AF+FC
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/b506fcd4-efa5-4241-9a1e-192d8889689f.png?resizew=194)
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【推荐2】在平面直角坐标系中,点
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