DACA ma poti ajuta te rog frumos

Salut,
[tex]\left(2+\dfrac{1}{2}\right)\cdot\dfrac{4}{5}=\dfrac{2\cdot 2+1}{2}\cdot\dfrac{4}{5}=\dfrac{5}{2}\cdot\dfrac{4}{5}=\dfrac{4}{2}=\dfrac{2\cdot 2}{2}=+2.[/tex]
A fost greu ?
Green eyes.