$$1.3 + [ 2 - 1.5 \{ 1 ( 0.1 + 0.35 - 0.2 ) \} ]$$
$2.925$
$$1.3+2-1.5\left(0.1+0.35-0.2\right)$$
$$1.3+2-1.5\left(0.45-0.2\right)$$
$$1.3+2-1.5\times 0.25$$
$$1.3+2-0.375$$
$$1.3+1.625$$
$$2.925$$
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$\frac{13 \cdot 3 ^ {2}}{5 \cdot 2 ^ {3}} = 2\frac{37}{40} = 2.925$
