Вправи 301 - 400 » 304

304. Обчисліть: 1) 3 • (11/2)–2 • 1,2–1 = 3 • (3/2)–2 • (12/10)–1 = 3 • (2/3)2 • 10/12 = 3 • 4/9 • 5/6 = (3•4•5)/(9•6) = 10/9 = 11/9; 2) 52 • 0,5–1 + (1/4)–3 • (2/3)0 = 25 • (1/2)–1 + 43 • 1 = 25 • 2 + 64 = 50 + 64 = 114.