[tex]\it \overline{1a23x}\ \vdots\ 6 \Leftrightarrow \overline{1a23x}\ \vdots\ 2\ \c{s}i\ \overline{1a23x}\ \vdots\ 3\\ \\ \overline{1a23x}\ \vdots\ 2 \Rightarrow x=2,\ valoarea\ minim\breve a\ nenul\breve a\ a\ cifrei\ x\\ \\ \overline{1a232}\ \vdots\ 3 \Rightarrow a=1,\ valoarea\ minim\breve a\ nenul\breve a\ a\ cifrei\ a\\ \\ a\cdot x=1\cdot2=2[/tex]
