Число не содержащие дроби
(54*1/3) * (16*1/2) / (250*1/3) =
= (54/3) * (16/2) / (250/3) =
= 18 * 8 / (250/3) =
= 144 : (250/3) =
= 144/1 : (250/3) =
= 144/1 * (3/250) =
= (144*3)/250 =
= (72*3)/125 =
= 216/125 =
= 1 целая 91/125
или 1,728
x = 77 * 183 / 100 = 140.91
(11z-14)*38= 304
11z- 14= 304:38
11z-14= 8
11z= 8+14
11z= 22
z= 22:11
z=2