Завдання 401 - 500 » 442

Обчисли: 1) 11/7 : 51/3 = 8/7 : 16/3 = (8 ∙ 3)/(7 ∙ 16) = 3/14; 2) 41/5 : 11/4 = 21/5 : 5/4 = (21 ∙ 4)/(5 ∙ 5) = 84/25 = 39/25; 3) 71/3 : 12/9 = 22/3 : 11/9 = (22 ∙ 9)/(3 ∙ 11) = 6/1 = 6; 4) 41/11 : 219/22 = 45/11 : 63/22 =(45 ∙ 22)/(11 ∙ 63) = 10/7 = 13/7.