Breuken verm. (reeks 3)

Vermenigvuldig de breuken

\(\frac{-2}{13} . \left(\frac{-12}{3}\right).\left(\frac{-7}{3}\right)\)

\(\frac{-2}{13} . \left(\frac{-12}{3}\right).\left(\frac{-7}{3}\right)\\=-\frac{2}{13}.\frac{4}{1}.\frac{7}{3}\\=-\frac{2.4.7}{13.1.3}\\=-\frac{56}{39}\)