高中数学代数与函数一其他练习题110
题目内容

若原点O http://picflow.koolearn.com/upload/papers/20140824/20140824034101157443.png和点 http://picflow.koolearn.com/upload/papers/20140824/20140824034101157484.png在直线x+y=a的两侧,则实数a的取值范围是(    )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824034101172555.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824034101188470.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824034101204531.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824034101219478.png

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