如图,E,F是平行四边形
对角线
上两点,
,连接
并延长,分别交
于点G,H,连接
,下列结论:①
,②
,③
,④
,其中正确的结论有________ (只填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c818110255bdad691f61be6461a6fd73.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12bf5313f0d9c88fb20eedbeb49a25f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c3153b21ddfdc7ce5228bbbc03f3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094b7926928bf26fad8cd64e47e5c9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071f6d0dfd8a94354f32e7a3afb4099f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/773088bd-532c-4d89-867e-eef4afde93cf.jpg?resizew=169)
更新时间:2023-01-06 22:33:27
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