Выполните действия.(8/11+3/22):5/11. 17/36:(7/12-5/9) . 19/24:(3/16+5/24)

1. (8/11 + 3/22) : 5/11 = 1 9/10 1) 8/11 + 3/22 = 16/22 + 3/22 = 19/22 2) 19/22 : 5/11 = 19/22 * 11/5 = (19*1)/(2*5) = 19/10= 1 9/10 2. 17/36 : (7/12 - 5/9) = 17 1) 7/12 - 5/9 = 21/36 - 20/36 = 1/36 2) 17/36 : 1/36 = 17/36 * 36/1 = 17/1 = 17 3. 19/24 : (3/16 + 5/24) = 2 1) 3/16 + 5/24 = 9/48 + 10/48 = 19/48 2) 19/24 : 19/48 = 19/24 * 48/19 = 2/1 = 2