Закончите преобразования. а)3a*(-5b)=3*(-5)*ab= -4a*6=-4*6*a= -5k*8m=-5*8*km= б)0.5a*6b*(-c)=0.5*6*(-1)abc= -10n*1/5p*3/4k=(-10)*1/5*3/4npk= -c*(-9b)*1/3a=(-1)*(-9)*1/3cba=
= - 15ab = -24a = -40km =-3abc = -3/2npk =3 can