\[\boxed{\text{922.}\text{\ }еуроки - ответы\ на\ пятёрку}\]
\[\textbf{а)}\ c³ - d^{3} =\]
\[= (c - d)(c^{2} + cd + d^{2})\]
\[\textbf{б)}\ p³ + q³ =\]
\[= (p + q)(p^{2} - pq + q^{2})\]
\[\textbf{в)}\ x³ - 64 =\]
\[= (x - 4)(x^{2} + 4x + 16)\]
\[\textbf{г)}\ 125 + a³ =\]
\[= (5 + a)(25 - 5a + a^{2})\]
\[\textbf{д)}\ y³ - 1 = (y - 1)(y^{2} + y + 1)\]
\[\textbf{е)}\ 1 + b³ = (1 + b)(1 - b + b^{2})\ \]