Завдання 501 - 600 » 531
Обчисліть: 1) 3/8 : 21/32 : 48/49 = 3/8 ∙ 32/21 ∙ 49/48 = 4/7 ∙ 49/48 = 7/12; 2) 1/6 : (9/22 : 54/77) = 1/6 : (9/22 ∙ 77/54) = 1/6 : (9/22 ∙ 77/54) = 1/6 : 7/12 = 1/6 ∙ 12/7 = 2/7;
Обчисліть: 1) 3/8 : 21/32 : 48/49 = 3/8 ∙ 32/21 ∙ 49/48 = 4/7 ∙ 49/48 = 7/12; 2) 1/6 : (9/22 : 54/77) = 1/6 : (9/22 ∙ 77/54) = 1/6 : (9/22 ∙ 77/54) = 1/6 : 7/12 = 1/6 ∙ 12/7 = 2/7;