Назад
ГДЗ Алгебра 7 клас Істер (2024)
2. ЦІЛІ ВИРАЗИ
Реклама:
Обчисліть:
1) 132 = 13 ∙ 13 = 169; 2) 73 = 7 ∙ 7 ∙ 7 = 343;
3) (–2,1)2 = (–2,1) ∙ (–2,1) = 4,41
4) (–1,1)3 = (–1,1) ∙ (–1,1) ∙ (–1,1) = –1,331;
5) (3/5)2 = 3/5 ∙ 3/5 = 9/25;
6) (–11/5)2 = (–11/5) ∙ (–11/5) = (–6/5) ∙ (–6/5) = 36/25 = 111/25;
7) (–11/3)3 = (–4/3)3 ∙ (–4/3) ∙ (–4/3) ∙ (–4/3) = –64/27 = –210/27;
8) (0,2)3 = 0,2 ∙ 0,2 ∙ 0,2 = 0,008.