\[\boxed{\text{927.}\text{\ }еуроки - ответы\ на\ пятёрку}\]
\[\textbf{а)} - x^{3} + y^{3} =\]
\[= (y - x)(y^{2} + xy + x^{2})\]
\[\textbf{б)} - 8 - p^{3} = - \left( 81p^{3} \right) =\]
\[= - (2 + p)(4 - 2p + p^{2})\]
\[\textbf{в)} - a^{6} + \frac{1}{8} =\]
\[= \left( \frac{1}{2} - a^{2} \right)\left( \frac{1}{4} + \frac{1}{2}a^{2} + a^{4} \right)\]
\[\textbf{г)} - \frac{1}{27} - b^{6} = \left( - \frac{1}{27} + b^{6} \right) =\]
\[= - \left( \frac{1}{3} + b^{2} \right)\left( \frac{1}{9} - \frac{1}{3}b^{2} + b^{4} \right)\]
\[\textbf{д)}\ c^{6} + 1 =\]
\[= (c^{2} + 1)(c^{4} - c^{2} + 1)\]
\[\textbf{е)}\ x^{6} + y^{6} =\]
\[= (x^{2} + y^{2})(x^{4} - x^{2}y^{2} + y^{4})\]