Răspuns:
buna !
[tex] \frac{5}{6} \times \frac{3}{4} - \frac{1}{3} \div 3.5[/tex]
[tex] \frac{5}{2} \times \frac{1}{4} - \frac{1}{3} \div \frac{7}{2} [/tex]
[tex] \frac{5}{8} - \frac{1}{3} \times \frac{7}{2} [/tex]
[tex] \frac{5}{8} - \frac{2}{21} [/tex]
[tex] \frac{89}{168} [/tex]