△ABC是边长为3的等边三角形,已知向量
满
,
,则下列结论中正确的是__________ .(写出所有正确结论的编号)
①
为单位向量; ②
为单位向量; ③
⊥
; ④
//
; ⑤ (6
+
)⊥
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bb5c33537724ed700a9b93ed3078ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d300904d30f567f930b14e08c7ea3b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d00143268cb8189a2dfbc735d02402.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276fac88f617ad542809b55160bdf4ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deae5171eb718a10261d9b632aa7c2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deae5171eb718a10261d9b632aa7c2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcb140aa73fbe827043dca511ea1335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e873e1531d48f2fdaaee79f0ab2b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a54f1203b17cecce60d726b1db3b5dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deae5171eb718a10261d9b632aa7c2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcb140aa73fbe827043dca511ea1335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a54f1203b17cecce60d726b1db3b5dd.png)
更新时间:2018-10-04 20:59:53
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