已知向量
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在
上的投影向量为___________ .(用坐标表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6c5426e9dc7fdb31c5ddaaea34341b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
更新时间:2023-05-06 15:21:49
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