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Dim a As Integer a=array(1,2,3,4) Dim a(),b() a=array(1,2,3,4): b=a Dim a As Variant a=array(1,"aSd",tru Dim a()As Variant a=array(1,2,3,4)
={1,2,3,4}, ={x∈N||x|≤2},则A.∩B=( ) A.{1,2,3,4}B.{﹣2,﹣1,0,1,2,3,4} {1,2} {2,3,4}
Dim a As Integer a=array(1,2,3,4) Dim a(),b() a=array(1,2,3,4):b=a Dim a As Variant a=array(1,"asd",tru Dim a()As Variant a=array(1,2,3,4)
1,2,3,4 1,4,2,3 4,2,1,3 4,3,2,1
4,3,2,1 1,2,3,4 1,4,3,2 3,2,4,1
Dim a As Integer a=array(1,2,3,4) Dim a(),b() a=array(1,2,3,4):b=a Dim a As Variant a=array(1,"asd",true) Dim a()As Variant a=array(1,2,3,4)
(1)(2)(3)(4)(5) (3)(1)(2)(5)(4) (4)(5)(2)(1)(3) (3)(2)(4)(5)(1)
Dim a As Integer a=array(1,2,3,4) Dim a(),b() a=array(1,2,3,4):b=a Dim a As Variant a=array(1,"asd",tru Dim a()As Variant a=array(1,2,3,4)
1 2 3 4 2 3 4 1 1 4 3 2 3 1 4 2
32 36 38 40
={1,2,3,4}, ={x∈R.|1<x≤4},则A.∩B.=( ) A.{1,2,3,4}B.{2,4} {2,3,4} {x|1<x≤4}