75% - \(\frac{3}{2}\) + 0,5 : 5 - 12
= \(\frac{3}{4} - \frac{3}{2} + \frac{1}{2} \). \(\frac{1}{5}\)-12
= \(\frac{3}{4}- \frac{3}{2} + \frac{1}{10} - 12\)
= \(\frac{-1}{2} + \frac{1}{10 }-12\)
= \(\frac{-5}{10}+ \frac{1}{10}-12 \)
= \(\frac{-2}{5} - 12\)
\(\frac{-2}{5}-\frac{-60 }{5}\)
= \(\frac{-62}{5}\)