高中数学代数与函数一其他练习题123
题目内容

已知x、y满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/20140824010535258955.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824010535273649.png的最小值为(   )

2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140824/20140824010535289326.png

B.2

C.http://picflow.koolearn.com/upload/papers/20140824/20140824010535289366.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824010535320480.png

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