Ответ:
1а)... =4(3а+2в)
б)... =3(2m-3n+9p) =3(2m-3(n-3p))
в) =5(3х-у)
г) =1,5(3с+1)
=(4-15^1/2)^(-1)*(5^0.5-3^0.5)=