Ответ Автор - x0xx0x0x 5(1/2)-6(1/4)=5(1/5)a-2(7/10)a(22-25)/4=((52-27)/10)a-3/4=5/2aa=5/2:(-3/4)a=-5*4/2*3=-20/6=-10/3=-3(1/3)