Роздiл 2. Вирази i тотожностi » 176





Обчисліть: 1) 2 + 103 + 5 • 24 = 2 + 1000 + 5 • 16 = 1002 + 80 = 1082; 2) –16 • (1/4)2 + 24 = –16 • (1/16) + 16 = –1 + 16 = 15; 3) ((–5)3 + 52) : 10 = (–125 + 25) : 10 = –100 : 10 = –10; 4) (–12 + 82) : (–2) = (–12 + 64) : (–2) = 52 : (–2) = –26; 5) (–12 + (–8))2 • 5 = (–20)2 • 5 = 400 • 5 = 2000; 6) (–2)5 + 25 + 13 • 31 = 3.





Роздiл 2. Вирази i тотожностi