题目内容
若
则
=
A.{2,4} B.{2,4,6} C.{1,2,4,6} D.{1,2,3,4,5}
B
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若
则
= ( )
| A.{2,4} | B.{2,4,6} | C.{1,2,4,6} | D.{1,2,3,4 |
题目内容
若
则
=
A.{2,4} B.{2,4,6} C.{1,2,4,6} D.{1,2,3,4,5}
B
若
则
= ( )
| A.{2,4} | B.{2,4,6} | C.{1,2,4,6} | D.{1,2,3,4 |