$$2( \frac{ 19 }{ 5 } )-3( \frac{ 6 }{ 5 } )=$$
$4$
$$\frac{2\times 19}{5}-3\times \frac{6}{5}$$
$$\frac{38}{5}-3\times \frac{6}{5}$$
$$\frac{38}{5}-\frac{3\times 6}{5}$$
$$\frac{38}{5}-\frac{18}{5}$$
$$\frac{38-18}{5}$$
$$\frac{20}{5}$$
$$4$$
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$2^{2}$
