题目内容
试题答案
A.{1} B.{1,2} C.{3,4} D.{-2,-1,0,1,2}
设集合P={1,2,3,4},Q={x||x|≤2,x∈R},则P∩Q等于( )
A.{1,2} B.{3,4}
C.{1} D.{-2,-1,0,1,2}
A.{1} B.{1,2} C.{3,4} D.{-2,-1,0,1,2}