高中数学代数与函数一其他练习题111
题目内容

已知点 http://picflow.koolearn.com/upload/papers/20140824/20140824043648767651.png是不等式组 http://picflow.koolearn.com/upload/papers/20140824/201408240436487981102.png所表示的平面区域内任意一点,则点M到直线 http://picflow.koolearn.com/upload/papers/20140824/20140824043648829465.png距离的最大值为(    )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824043648923344.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824043648938438.png

C.2

D.http://picflow.koolearn.com/upload/papers/20140824/20140824043648954322.png

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