1/6s−1 + 1/3s−2=0 Ответ: s=
1/6s-1+1/3s-2=0 1/6s+1/3s-3=0 1/6s+2/6s-3=0 3/6s=0+(-3) 3/6s=(-3) 1/2s=(-3) s=(-3):1/2 s=(-1*3:2) s=-1 1/2