Răspuns:
[tex](\frac{5}{6} +1\frac{5}{8} :\frac{1}{2})^2 -9\frac{1}{3}[/tex]
[tex](\frac{5}{6} +\frac{13}{8} *2)^2 -\frac{28}{3}[/tex]
[tex](\frac{5}{6} +\frac{13}{4} )^2 -\frac{28}{3}[/tex]
[tex](\frac{49}{12} )^2 -\frac{28}{3}[/tex]
[tex]\frac{2401}{144} -\frac{28}{3}[/tex]
[tex]\frac{1057}{144}[/tex]