Решите) 2ху * 7уz= -3а * 2b *(-c)= 4ab * 3ac= -2x * (-6y)*(-z)=
2ху * 7уz = 14y²xz -3а * 2b *(-c) = 6abc 4ab * 3ac = 12a²bc -2x * (-6y)*(-z) = -12xyz