Ответ: 1. [tex] {m}^{3} — {n}^{3} = (m — n)( {m}^{2} + mn + {n}^{2} )[/tex]2. [tex]125 {a}^{3} + 8 {b}^{3} = {(5a)}^{3} + {(2b)}^{3} = (5a + 2b)(25 {a}^{2} — 10ab + 4 {b}^{2} )[/tex]