1)
[tex] {( - 2)}^{14} \div {( - 2)}^{12} = {( - 2)}^{2} = 4[/tex]
[tex] \frac{2}{ \frac{4}{5} } = 2 \div \frac{4}{5} = 2 \times \frac{5}{4} = \frac{5}{2} [/tex]
2)
[tex] \frac{x + 1}{3} = \frac{2}{3} \\ stim \: ca \: produsul \: \\ mezilor = produsul \: extremilor \\ 3(x + 1) = 6 \\ x + 1 = 2 \\ = 1[/tex]
