Question

Решить дробь 7/11*((3/7) в квадрате + 5/7)

Answer 1

$\frac{7}{11} \times ( ({ \frac{3}{7} )}^{2} + \frac{5}{7} ) = \frac{7}{11} \times ( \frac{9}{49} + \frac{5}{7} ) = \\ = \frac{7}{11} \times ( \frac{9}{49} + \frac{35}{49} ) = \frac{7}{11} \times \frac{44}{49} = \frac{4}{7}$


ОТВЕТ: 4/7