Выполните действия (2 2/3+1 5/6):11/2

(2 2/3 + 1 5/6) : 11/2 = 9/111) 2 2/3 + 1 5/6 = 2 4/6 + 1 5/6 = 3 9/6 = 4 3/6 = 4 1/22) 4 1/2 : 11/2 = 9/2 * 2/11 = 9/11Пояснения:2/3 = 4/6 - доп.множ. 23/6 = 1/2 - сократили на 34 1/2 = (4*2+1)/2 = 9/2