[tex]\left[\left(\frac{1}{2}+\frac{2}{3}+\frac{4}{6}\right)\div \frac{7}{12}-\frac{2}{5}\cdot \frac{5}{6}\right]\frac{1}{4}\div \left(5\cdot \frac{12}{25}-1\cdot \frac{1}{3}\right)[/tex]
[tex]=\left[\left(\frac{1}{2}+\frac{2}{3}+\frac{2}{3}\right)\div \frac{7}{12}-\frac{2}{5}\cdot \frac{5}{6}\right]\frac{1}{4}\div \left(5\cdot \frac{12}{25}-1\cdot \frac{1}{3}\right)[/tex]
[tex]=\frac{59}{21}\cdot \frac{1}{4}\div \left(5\cdot \frac{12}{25}-1\cdot \frac{1}{3}\right)[/tex]
[tex]=\frac{59}{21}\cdot \frac{1}{4}\div \frac{31}{15}[/tex]
[tex]=\frac{295}{868}[/tex]
Sper că te-am ajutat!
Succes!
