Question

qual e resposta dessa expreçao (-2/7): (-8/14). (+1/2)

Answer 1

Oie, Td Bom?!

$= ( - \frac{2}{7} ) \div ( - \frac{8}{14} ) \: . \: \frac{1}{2}$

$= \frac{2}{7} \div \frac{8}{4} \: . \: \frac{1}{2}$

$= \frac{2}{7} \: . \: \frac{14}{8} \: . \: \frac{1}{2}$

$= \frac{1}{7} \: . \: \frac{14}{8}$

$= \frac{2}{8}$

$= \frac{2 \div 2}{8 \div 2}$

$= \frac{1}{4}$

Att. Makaveli1996