Breuken . en :

Bereken

\(\frac{7}{8} . \left(\frac{-12}{-10}\right).\left(\frac{-2}{-11}\right)\)

\(\frac{7}{8} . \left(\frac{-12}{-10}\right).\left(\frac{-2}{-11}\right)\\=+\frac{7}{8}.\frac{6}{5}.\frac{2}{11}\\=+\frac{7.6.2}{8.5.11}\\=\frac{84}{440}\\=\frac{21}{110}\)