(x-y)^-3+radice cubica x^2-4y x=6 y=7 2.c(2a-4b^5c^3)-b(a^2c^4-5) a=3/4 b=1/2 c=-5x,-5x^2 9ab^2,-6ab^2 15yz,8z 4. 21 a^3b^4,-5a^3b^4 -1/3xy,-2xy -10mn,3mn^2 5. -4/9c^9,4/9c^9 4ab,-8bc -1/6k,-2/3k Emanuele Ines Di Palma♡ July 12, 2013 Follow Guarda ci ho capito tutto..