Вправи 401 - 500 » 407

Виконайте ділення: 1) 3/7 : 5/6 = 3/7 ∙ 6/5 = 18/35; 2) 3/14 : 2/21 = 3/14 ∙ 21/2 = 9/4 = 21/4; 3) 7/16 : 42/43 = 7/16 ∙ 43/42 = 43/96; 4) 3/4 : 21/40 = 3/4 ∙ 40/21 = 10/7 = 13/7; 5) 9/25 : 27/50 = 9/25 ∙ 50/27 = 2/34 6) 45/56 : 63/64 = 45/56 ∙ 64/63 = 5/7 ∙ 8/7 = 40/49; 7) 2/3 : 1/6 = 2/3 ∙ 6 = 4; 8) 65/98 : 26/49 = 65/98 ∙ 49/26 = 5/2 ∙ 1/2 = 11/4.