4-2/-5-(-1)

$${\mathtt{4}}{\mathtt{\,-\,}}{\frac{{\mathtt{2}}}{-{\mathtt{5}}}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{1}}\right) = {\frac{{\mathtt{27}}}{{\mathtt{5}}}} = {\mathtt{5.4}}$$

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