dau coroanaa atentieee

Răspuns:
[tex]11 = \frac{x}{31 } = > x = \: 31 \times 11 \\ x = 341 \\ 11 = \frac{341}{11} \\ verificare \\ 11 = \frac{341}{11} \\ 11 = 341 \div 11 \\ 11 = 11(a)[/tex]