Question

co fazer as conto -2/5 . (- 25/4)

Answer 1

multiplica o numerador e denominador entre si,

$\frac{-2}{5} * (\frac{-25}{4} )$
$= \frac{-2*(-25)}{5*4}$
$= \frac{50}{20}$
$= \frac{5}{2}$