Question

va rog ma puteti ajuta la exercizile din poza ? dau coronita !!

Answer 1

$\it (\overline{abc} - \overline{bc})\ \vdots\ 100$



[tex]\it \overline{abc} - \overline{bc} = 100a+10b+c-(10b+c) = \\\;\\ \it=100a+(10b+c)-(10b+c)=100a \in M_{100} \Longrightarrow[/tex]

$\it \Longrightarrow(\overline{abc} - \overline{bc})\ \vdots\ 100 .$