高中数学代数与函数一其他练习题107
题目内容

已知点 http://picflow.koolearn.com/upload/papers/20140823/20140823224742485623.png的坐标满足条件 http://picflow.koolearn.com/upload/papers/20140823/201408232247425161144.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823224742532313.png为常数),若 http://picflow.koolearn.com/upload/papers/20140823/20140823224742610469.png的最小值为6,则 http://picflow.koolearn.com/upload/papers/20140823/20140823224742532313.png的值为

2021-07-19

A.9

B.-9

C.6

D.-6

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