y: 8,4=1 1/8:6 3/4 y: 8,4=9/8:27/4y*28/4=8,4*9/8 27y/4=8,4*9/8 |*427y=8,4*9/227y=4,2*9 |: 93y=4,2y=4,2:3y=1,4 Ответ: 1,4