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1.如将(x-y)看成一个因式,则合并(x-y)2-3(x-y)-4(x-y)2+5(x-y)的结果是()
A: 2(x-y)2-3(x-y)
B: 2(x-y)-3(x-y)2
C: (x-y)-3(x-y)2
D: 2(x-y)2-(x-y)
  • 提示15ZCM57G76aG55Y2z5omA5ZCr5a2X5q+N55u45ZCM77yM5bm25LiU55u45ZCM5a2X5q+N55qE5oyH5pWw5Lmf55u45ZCM55qE6aG544CC