Задачі для повторення » 1066

Обчисли значення виразу: а) –46 : (–2) + (–38) • 8 + (–9)2 = 23 – 304 + 81 = –281 + 81 = –200; б) 255 : (–17) – 15 • (–18) – (–135) : (–9) = –15 + 270 – 15 = –30 + 270 = 240; в) 27 • (–12) + 464 : (–58) – 512 : (–16) = –324 – 8 + 32 = –332 + 32 = –300; г) –48 • (92 – 158) – (–1885) : (479 – 544) + (–139) = –48 • (–66) – (–1885) : (–65) – 139 = 3168 – 29 – 139 = 3168 – 168 = 3000; ґ) (1625 + 113 • (–13)) : (–12) – 325 : (–25) = (1625 – 1469) : (–12) + 13 = 156 : (–12) + 13 = –13 + 13 = 0; д) (475 – 574) : 11 – (–189 – 116) : (–61) = –99 : 11 – (–305) : (–61) = –9 – 5 = –14.