$$4+1/5((-10 \times (25-13-3))/(-5))$$
$\frac{38}{5}=7.6$
$$4+\frac{1}{5}\times \frac{-10\left(12-3\right)}{-5}$$
$$4+\frac{1}{5}\times \frac{-10\times 9}{-5}$$
$$4+\frac{1}{5}\times \frac{-90}{-5}$$
$$4+\frac{1}{5}\times 18$$
$$4+\frac{18}{5}$$
$$\frac{20}{5}+\frac{18}{5}$$
$$\frac{20+18}{5}$$
$$\frac{38}{5}$$
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$\frac{2 \cdot 19}{5} = 7\frac{3}{5} = 7.6$
