№ 304 Алгебра = № 12.7 Математика
Умова:
Знайдіть значення виразу:
1) 32;
2) 23;
3) 02;
4) 17;
5) (–1)4;
6) (–1)3.
Розв'язок:
1) 32 = 3 ⋅ 3 = 9
2) 23 = 2 ⋅ 2 ⋅ 2 = 8
3) 02 = 0
4) 17 = 1 ⋅ 1 ⋅ 1 ⋅ 1 ⋅ 1 ⋅ 1 ⋅ 1 = 1
5) (–1)4 = (–1) ⋅ (–1) ⋅ (–1) ⋅ (–1) = 1
6) (–1)3 = (–1) ⋅ (–1) ⋅ (–1) = –1