Question

Calculati:   3 pe 4 x ( 8 pe 9 - 1 pe 6 ): 5 pe 4

Answer 1

$\frac{3}{4} * (\frac{8}{9}^{(2} -\frac{1}{6}^{(3}) : \frac{5}{4} = \frac{3}{4} * \frac{16-3}{18} * \frac{4}{5}= \\\\ \\ \frac{13}{6}* \frac{1}{5}= \frac{13}{30}$