$$\frac { 3 x ^ { 3 } + 1 + 3 ^ { 3 } } { 2 \times 3 ^ { 3 } }$$
$\frac{x^{3}}{18}+\frac{14}{27}$
$$\frac{3x^{3}+1+27}{2\times 3^{3}}$$
$$\frac{3x^{3}+28}{2\times 3^{3}}$$
$$\frac{3x^{3}+28}{2\times 27}$$
$$\frac{3x^{3}+28}{54}$$
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