Вправи 1001 - 1100 » 1035

Виконайте множення: 1) –1/9 ∙ (–1/7) ∙ 1/5 ∙ (–1/3) ∙ 3 ∙ (–5) ∙ 7 ∙ 9 = – 1/9 ∙ 9 ∙ (–1/7) ∙ 7 ∙ 1/5 ∙ (–5) ∙ (–1/3) ∙ 3 = –1 ∙ (–1) ∙ (–1) ∙ (–1) = 1; 2) 8 ∙ (–6) ∙ 4 ∙ (–10) ∙ 1/4 ∙ (–1/3) ∙ (–1/5) ∙ (–1/2) = 8 ∙ 1/4 ∙ (–6) ∙ (–1/3) ∙ 4 ∙ (–1/2) ∙ (–10) ∙ (–1/5) = 2 ∙ 2 ∙ (–2) ∙ 2 = –16; 3) 0,2 ∙ (–0,25) ∙ (–0,5) ∙ 5 ∙ (–4) ∙ (–2) = 0,2 ∙ 5 ∙ (–0,25) ∙ (–4) ∙ ∙ (–0,5) ∙ (–2) = 1 ∙ 1 ∙ 1 = 1.