Breuken + en -

Bereken

\(-\left(\frac{-4}{-9}\right) -\left(\frac{5}{-3}\right) +\left(\frac{10}{-3}\right)\)

\(-\left(\frac{-4}{-9}\right) -\left(\frac{5}{-3}\right) +\left(\frac{10}{-3}\right)\\= \frac{-4}{9}+ \frac{5}{3}-\frac{10}{3}\\=\frac{-4+5-10}{9}\\=\frac{-9}{9}\\=\frac{-1}{1}\)