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Вычисли, применив законы умножения:

В ответ запиши конечный результат вычислений.

a) \(-\cfrac{5}{2}\cdot\left(-\cfrac{15}{22}\right)\cdot\left(-\cfrac{2}{5}\right) = -\cfrac{5}{2}\cdot\left(-\cfrac{2}{5}\right)\cdot\left(-\cfrac{15}{22}\right) = 1\cdot\left(-\cfrac{15}{22}\right) = -\cfrac{15}{22}\) ;

б) \(\cfrac{7}{3}\cdot\left(-\cfrac{2}{3}\right)\cdot\left(-\cfrac{3}{7}\right) =\) [ ];

в) \(-\cfrac{3}{4}\cdot\cfrac{5}{13}\cdot\left(-\cfrac{8}{3}\right) =\) [ ];

г) \(\cfrac{11}{12}\cdot\left(-\cfrac{13}{27}\cdot\cfrac{12}{11}\right) =\) [ ];

д) \(\left(-\cfrac{19}{18}\right)\cdot\left(-\cfrac{18}{19}\cdot\cfrac{2}{5}\right) =\) [ ];

е) \(\cfrac{14}{15}\cdot\left(-\cfrac{13}{22}\cdot\cfrac{15}{14}\right) =\) [ ].