8-4целых т3/11=7целых 11/11-4целых 3/11=3целых 8/11
(49/8-7/4):(9-2,2(61/11-7/2))*9/7=35/8:(9-2,2*45/22)*9/7=35/8:(9-4,5)*9/7=35/8:9/2*9/7=35/8*2/9*9/7=5/4=1,25
607392:108=5624 607 673 259 432 - 540 -648 -216 - =67 =25 =43 432 = 0
13,5 x - 7,8 x = 5,4 + 11,7
5,7 x = 17,1
x = 17,1 : 5,7
x =3