№ 296 Алгебра = № 11.33 Математика
Умова:
Обчисліть:
1) (–1)2 + (–2)3 – 82;
2) (33 – (–4)2) ⋅ 7.
Розв'язок:
1) (–1)2 + (–2)3 – 82 = 1 + (–8) – 64 = 1 – 8 – 64 = –71
2) (33 – (–4)2) ⋅ 7 = (27 – 16) ⋅ 7 = 11 ⋅ 7 = 77
№ 296 Алгебра = № 11.33 Математика
Обчисліть:
1) (–1)2 + (–2)3 – 82;
2) (33 – (–4)2) ⋅ 7.
1) (–1)2 + (–2)3 – 82 = 1 + (–8) – 64 = 1 – 8 – 64 = –71
2) (33 – (–4)2) ⋅ 7 = (27 – 16) ⋅ 7 = 11 ⋅ 7 = 77