Завдання 401 - 500 » 438
Обчисліть: 1) 5/26 ∙ 13/15 = (1 • 1)/(2 • 3) = 1/6; 2) 7/11 ∙ 22/49 = (1 • 2)/(1 • 7) = 2/7; 3) 15/29 ∙ 58/105 = (1 • 1)/(1 • 7) = 2/7; 4) 21/26 ∙ 39/84 = (1 • 3)/(2 • 4) = 3/8.
Обчисліть: 1) 5/26 ∙ 13/15 = (1 • 1)/(2 • 3) = 1/6; 2) 7/11 ∙ 22/49 = (1 • 2)/(1 • 7) = 2/7; 3) 15/29 ∙ 58/105 = (1 • 1)/(1 • 7) = 2/7; 4) 21/26 ∙ 39/84 = (1 • 3)/(2 • 4) = 3/8.