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已知动点P(x,y)满足约束条件 http://picflow.koolearn.com/upload/papers/20140823/201408232220005831137.png,O为坐标原点,定点A(6,8),则 http://picflow.koolearn.com/upload/papers/20140823/20140823222000786381.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823222000801394.png上的投影的范围

发布时间:2021-07-19

A.[http://picflow.koolearn.com/upload/papers/20140823/20140823222000817495.png

B.[http://picflow.koolearn.com/upload/papers/20140823/20140823222000832458.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823222000864516.png

D.[http://picflow.koolearn.com/upload/papers/20140823/20140823222000879498.png

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