a)
[tex]\it Not\breve am\ cantitatea \ de\ marf\breve a\ cu\ m.\\ \\ \dfrac{1}{3}\cdot m=\dfrac{m}{3}\ = cantitatea\ \ v\hat andut\breve a\ prima\ zi;\ \ \dfrac{2m}{3}=\ cantitatea\ r\breve amas\breve a\\ \\ \\ \dfrac{1}{3}\cdot\dfrac{2m}{3}=\dfrac{2m}{9}=\ cantitatea\ \ v\hat andut\breve a\ a\ doua\ zi\\ \\ \\ \dfrac{^{3)}m}{\ \ 3}=\dfrac{3m}{3}\ > \ \dfrac{2m}{9}\ \Rightarrow\ cantitatea\ mai\ mare\ a\ fost\ v\hat andut\breve a\ prima\ zi.[/tex]
b)
[tex]\it \dfrac{2m}{9}=180 \Rightarrow 2m=9\cdot180|_{:2} \Rightarrow m=9\cdot90|_{:3} \Rightarrow \dfrac{m}{3}=9\cdot30=270\ kg(prima\ zi)[/tex]
