Задание

Соотнеси пары равных произведений

\(\left(-\cfrac{1}{2}\right)\cdot \dfrac{-3}{4}\) \(\cfrac{-1}{2}\cdot \cfrac{3}{4}\)
\(\cfrac{-1}{2}\cdot \cfrac{-3}{4}\) \(\left(-\cfrac{1}{2}\right)\cdot \left(-\cfrac{3}{4}\right)\)
\(\cfrac{1}{2}\cdot \left(-\cfrac{3}{4}\right)\) \(\cfrac{1}{2}\cdot \cfrac{-3}{4}\)
\(\left(-\cfrac{1}{2}\right)\cdot \cfrac{3}{4}\) \(\cfrac{1}{2}\cdot \cfrac{3}{4}\)