Вправи 301 - 400 » 336 (1-8)

336. Запишіть як степінь: 1) 4–3 • 2–3 = (4 • 2)–3 = 8–3; 2) 6–1 • 3–1 = (6 • 3)–1 = 18–1; 3) 4–3 : 2–3 = (4 : 2)–3 = 2–3; 4) 6–1 : 3–1 = (6/3)–1 = 2–1; 5) 5–9 • 2–9 • 8–9 = (5 • 2 • 8)–9 = 80–9; 6) 1–4 • 4–4 • 3–4 = (1 • 4 • 3)–4 = 12–4; 7) b–12 • a–12 = (ab)–12; 8) x–5 : y–5 = (x/y)–5;