Răspuns :
[tex] \frac{7}{3} \times \frac{2}{5} \times \frac{30}{7} [/tex]
[tex] \frac{1}{3} \times \frac{2}{5} \times 30[/tex]
[tex] \frac{2}{5} \times 10[/tex]
[tex]2 \times 2[/tex]
[tex]4[/tex]
Răspuns:
[tex] \frac{7}{3} \times \frac{2}{5} \times \frac{30}{7} \\ \frac{1}{3} \times \frac{2}{5} \times 30 \\ \frac{2}{5} \times 10 \\ 2 \times 2 \\ 4[/tex]