摘要:4.如图1.点A(x1.y1).B(x2.y2)在函数y=-的图象上.则( ) 图1 A.x1>x2.y1>y2 B.x1>x2.y1<y2 C.x1<x2.y1>y2 D.x1<x2.y1<y2

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