Question

Calculeaza 2 pe 7 x 14 pe 10 + 4 pe 9 : 10 pe 9 + 5 la a doua pe 5 la a treia

Answer 1

$\frac{2}{7} \times \frac{14}{10} + \frac{4}{9} \div \frac{10}{9} + \frac{ {5}^{2} }{ {5}^{3} } = \frac{2}{5} + \frac{4}{9} \times \frac{9}{10} + \frac{1}{5} = \frac{2}{5} + \frac{2}{5} + \frac{1}{5} = \frac{5}{5} = 1$
Bafta!