10. (−1/2) · 4 − 3/5

\(\left(-\frac{1}{2}\right)\cdot4=-2\).

\(-2-\frac{3}{5}=-\frac{10}{5}-\frac{3}{5}=-\frac{13}{5}=-2.6\).

Ответ: \(-\frac{13}{5}\) (−2,6)