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a×b=300 [a.b]=60 (a.b) = ?
urgent va rog frumos


Răspuns :

a×b=300
[a,b]=60
(a,b)=a×b:[a×b]=300:60=5
[a;b]×(a;b)=a×b
60×(a;b)=300
(a;b)=300:60=5