Х * 29/350 = 3045 * 580
х = 350 * 580 : 29/350
х= 3045 * 580 * 350/29
х = 3045 * 20 * 350 = 21 315 000
85-20-35=30литров.....................
50505- x=4949
x=50505-4949
x=45556
x:6=128
x=128•6
x=768
1/5 4/3=1целая 1/3 4/5 10/9=1 целая 1/9 1/9 9/22 1/2