设向量
,则以下结论正确的是___________ .(填序号)
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19d6f6bf2af97ddcea8f6340fd93d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
;
②
;
③与向量
方向相同的单位向量的坐标为
;
④向量
在向量
上的投影向量坐标为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e5e33c75e6244b341a1eb0ffa137a0.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19d6f6bf2af97ddcea8f6340fd93d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c94cef6cbc6447bffb22724e18b0333.png)
③与向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
④向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
更新时间:2022-04-05 16:59:32
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