
下列各分式中,最简分式是( )A.34(x?y)85(x+y)B.x2+y2x+yC.y2?x2x+yD.x2?y2(x+y)
下列各分式中,最简分式是()A.34(x?y)85(x+y)B.x2+y2x+yC.y2?x2x+yD.x2?y2(x+y)2...
下列各分式中,最简分式是( ) A.34(x?y)85(x+y) B.x2+y2x+y C.y2?x2x+y D.x2?y2(x+y)2
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