题目内容
如右图用符号语言可表述为( )
A.a∩b=m,n
a,m∩n=A
B.a∩b=m,n∈a,m∩n=A
C.a∩b=m,n
a,A
m,A
n
D.a∩b=m,n∈a,A∈m,A∈n
![]()
答案:A
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题目内容
如右图用符号语言可表述为( )
A.a∩b=m,n
a,m∩n=A
B.a∩b=m,n∈a,m∩n=A
C.a∩b=m,n
a,A
m,A
n
D.a∩b=m,n∈a,A∈m,A∈n
![]()