(1)如果(A,B)=1,那么[A,B]=______ (2)如果[M,N]=M
问题:
(1)如果(A,B)=1,那么[A,B]=______
(2)如果[M,N]=MN,那么(M,N)=______
(3)如果(A,B)=A,那么[A,B]=______
(4)如果[M,N]=N,那么(M,N)=______.
(1)如果(A,B)=1,那么[A,B]=______
(2)如果[M,N]=MN,那么(M,N)=______
(3)如果(A,B)=A,那么[A,B]=______
(4)如果[M,N]=N,那么(M,N)=______.