Завдання 401 - 500 » 476
Обчисліть: 1) 4/9 ∙ 2/7 ∙ 13/4 = 4/9 ∙ 2/7 ∙ 7/4 = 2/9; 2) 5/21 ∙ 21/6 ∙ 7/26 = 5/21 ∙ 13/6 ∙ 7/26 = (5 • 1 • 1)/(3 • 6 • 2) = 5/36; 3) 15/6 ∙ 9/22 ∙ 3/4 = 11/6 ∙ 9/22 ∙ 3/4 = (1 • 9 • 1)/(2 • 2 • 4) = 9/16.
Обчисліть: 1) 4/9 ∙ 2/7 ∙ 13/4 = 4/9 ∙ 2/7 ∙ 7/4 = 2/9; 2) 5/21 ∙ 21/6 ∙ 7/26 = 5/21 ∙ 13/6 ∙ 7/26 = (5 • 1 • 1)/(3 • 6 • 2) = 5/36; 3) 15/6 ∙ 9/22 ∙ 3/4 = 11/6 ∙ 9/22 ∙ 3/4 = (1 • 9 • 1)/(2 • 2 • 4) = 9/16.