Вправи 301 - 400 » 336 (9-16)

9) m^(-5)/n^(-5) = (m/n)–5; 10) p–6 • m–6 • n–6 = (pmn)–6; 11) a–1 • b–1 • c–1 = (abc)–1; 12) 3–4 • m–4 • n–4 = (3mn)–4; 13) (x^(-5) y^(-5))/z^(-5) = (xy/z)–5; 14) 3^(-1)/(a^(-1) b^(-1) ) = (3/ab)–1; 15) (x^(-2) y^(-2))/(z^(-2) h^(-2) ) = (xy/zh)–2; 16) (d^(-10) b^(-10))/(a^(-10) c^(-10) ) = (bd/ac)–10.