\(\frac{6^3+3\cdot6^2+3^3}{-13}\)
\(=\frac{2^3\cdot3^3+3\cdot3^2\cdot2^2+3^3}{-13}\)
\(=\frac{3^3\left(2^3+2^2+1\right)}{-13}\)
\(=\frac{27\cdot13}{-13}\)
\(=-27\)
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