va roogggf punctul a., urgeeeennttttt
dau coroana cu încredere!!!!!!!!!!!!!!!!

Răspuns:
[tex]( \frac{19}{3} - \frac{11}{2} ) \div \frac{1}{3} = \\ nc = 6 \\ ( \frac{38}{6} - \frac{33}{6}) \div \frac{1}{3} = \\ \frac{5}{6} \div \frac{1}{3} = \frac{5}{6} \times \frac{3}{1} = \\ \frac{15}{6} [/tex]