Răspuns :
7=7
16= [tex] 2^{4} [/tex]
21=3x7
28=[tex] 2^{2} [/tex]x7
(7,16,21,28)=[tex] 2^{4} [/tex]x3x7=48x7
=336
16= [tex] 2^{4} [/tex]
21=3x7
28=[tex] 2^{2} [/tex]x7
(7,16,21,28)=[tex] 2^{4} [/tex]x3x7=48x7
=336