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已知集合等于
A.{2,3,4,5,6,7} B.{3,5}
C.{3,4,5,6} D.{2,3,5,7,}
已知集合等于 ( )
A.{2,4,6} B.{1,3,5} C.{2,4,5} D.{2,5}