Răspuns :
[tex]3 - \frac{1}{3} = \\ \frac{9}{3} - \frac{1}{3} = \\ \frac{8}{3} [/tex]
[tex] \frac{9}{8} \times 2 = \\ \frac{18}{8} = \\ \frac{9}{4} [/tex]
Dacă punctul dintre paranteze e " ori ", atunci :
[tex] \frac{8}{3} \times \frac{9}{4} = \\ \frac{72}{12 } = \\ \frac{36}{6} = \\ 6[/tex]