[tex]0.75 -0.75 \times ( \frac{19}{10} - 1.5 ) \\ il \: amplificam \: pe \: 1.5 \: cu \: 10 \\ 0.75 - 0.75 \times (\frac{19}{10} - \frac{15}{10} ) \\ 0.75 - 0.75 \times \frac{4}{10} \\ 0.75 - \frac{3}{10} | \times 10 \\ 7.5 - 3 \\ = 4.5[/tex]
coroana?
