Вправи 301 - 400 » 337

337. Запишіть як степінь: 1) 7–7 • 10–7 = (7 • 10)–7 = 70–7; 2) 7–7 : 10–7 = (7/10)–7 = 0,7–7; 3) 15–10 • 3–10 = (15 • 3)–10 = 45–10; 4) 15–10 : 3–10 = (15/3)–10 = 5–10;