Breuken verm. (reeks 2)

Vermenigvuldig de breuken

\(\frac{10}{-7} . \left(\frac{-10}{-2}\right)\)

\(\frac{10}{-7} . \left(\frac{-10}{-2}\right)\\=-\frac{10}{7}.\frac{5}{1}\\=-\frac{10.5}{7.1}\\=-\frac{50}{7}\)