高中数学代数与函数一其他练习题138
题目内容

已知实数 x,y满足不等式组 http://picflow.koolearn.com/upload/papers/20140823/20140823142735770581.gif,则 http://picflow.koolearn.com/upload/papers/20140823/20140823142735785129.gif=( x+4) http://picflow.koolearn.com/upload/papers/20140823/20140823142735801129.gif+( x-4) http://picflow.koolearn.com/upload/papers/20140823/20140823142735801129.gif的最大值和最小值分别为(   )

2021-07-21

A.36+16http://picflow.koolearn.com/upload/papers/20140823/20140823142735832224.gif,32

B.4http://picflow.koolearn.com/upload/papers/20140823/20140823142735832224.gif+2,4http://picflow.koolearn.com/upload/papers/20140823/20140823142735832224.gif

C.36+16http://picflow.koolearn.com/upload/papers/20140823/20140823142735832224.gif,4http://picflow.koolearn.com/upload/papers/20140823/20140823142735832224.gif

D.36+16http://picflow.koolearn.com/upload/papers/20140823/20140823142735832224.gif,36

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