高中数学代数与函数一其他练习题111
题目内容

设关于x,y的不等式组 http://picflow.koolearn.com/upload/papers/20140824/201408240405534711179.png表示的平面区域内存在点P(x 0,y 0),满足x 0-2y 0=2.求得m的取值范围是(  )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824040553487746.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824040553502727.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824040553596776.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824040553611768.png

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