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(2004•宁波)已a,b为实数,ab=1,M=,N=,则M,N的大小关系是A.M>NB....
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(2004•宁波)已a,b为实数,ab=1,M=
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)
,N=
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YII=
)
,则M,N的大小关系是( )
A.M>N
B.M=N
C.M<N
D.无法确定
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(2004•宁波)已a,b为实数,ab=1,M=
,N=
,则M,N的大小关系是( )
A.M>N
B.M=N
C.M<N
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(2004•宁波)已a,b为实数,ab=1,M=
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