(10-1 17/27÷22/45)÷4 4/9=

(10 - 1 17/27 : 22/45) : 4 4/9 = 3/2 = 1,51) 1 17/27 : 22/45 = 44/27 * 45/22 = (44 * 45)/(27 * 22) = (2 * 5)/(3 * 1) = 10/3 = 3 1/3;2) 10 – 3 1/3 = 9 3/3 – 3 1/3 = 6 2/3;3) 6 2/3 : 4 4/9 = 20/3 : 40/9 = 20/3 : 9/40 = (20 * 9)/(3 * 40) = (1 * 3)/(1 * 2) = 3/2 = 1,5.Ответ. 3/2.