Вправа 231 - 300 » 296





Обчисліть: 1) (–1)2 + (–2)3 – 82 = 1 + (–8) – 64 = –71; 2) (33 – (–4)2) ∙ 7 = (9 – 16) ∙ 7 = –7 ∙ 7 = –49.





Вправа 231 - 300