2,0(1)+3,0(2)+4,0(3)=136/15
[tex]2 \times \frac{1}{90} = \frac{181}{90} \\ 3 \times \frac{2}{90} = \frac{272}{90} \\ 4 \times \frac{3}{90} = \frac{363}{90} \\ \frac{181}{90} + \frac{272}{90} + \frac{363}{90} = \frac{816}{90} =(amplificăm \: cu \: \: 2 )\frac{408}{45} = (amplificăm \: \: cu \: \: 3 ) \frac{136}{15} [/tex]
