高中数学代数与函数一其他练习题143
题目内容

http://picflow.koolearn.com/upload/papers/20140823/20140823193443864526.png中,已知 http://picflow.koolearn.com/upload/papers/20140823/20140823193443879736.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823193443895574.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823193443911173.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823193443926585.png,则 http://picflow.koolearn.com/upload/papers/20140823/20140823193443942310.png的轨迹方程(   )

2021-07-21

A.http://picflow.koolearn.com/upload/papers/20140823/20140823193443957983.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823193443973974.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823193444129722.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823193444145945.png

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