Выполните действия 24/37-8/37+11/37

8 8/11 - z =3 9/11
z=8 8/11 - 3 9/11
z=7 19/11 - 3 9/11
z=4 10/11

Ответ на фото.......

154151:6
12........ 25691,83.................
..34.........................................
..30.........................................
... 41.........................................
....36........................................
.......55.....................................
.......54.....................................
..........11....................................
...........6...................................
...........50.................................
...........48.................................
.............20...............................
..............18................................
...............2(остаток)

А) 4а-6а-3а+7+а-4=-4а+7-4=-4а+3 
б) -8(х-3)+4(х-2)=-4(2(х-3)-(х-2))=-4(2х-6-х+2)=-4(х-4)