Question

$\frac{0.25-4}{0.25-1.5+9} * \frac{0.125+27}{0.5+2}$
am nevoie de a calcula

Answer 1

$\frac{-3.75}{7.75}$*$\frac{27.125}{2,5}$=
$\frac{-375*100}{775*100}$*$\frac{27125*100}{25*10}$=$\frac{-375}{775}$*$\frac{27125*10}{25}$=$\frac{-15}{31}$*$\frac{27125}{250}$=$\frac{-15}{31}$*$\frac{1085}{10}$=$\frac{-15}{31}$*$\frac{217}{2}$=$\frac{-3255}{62}$=-52,5