schimbam baza pt fiecare log .cu baza 2
log in baza 2din2/loginbaza2din3*loginbaza2din3/loginbaza2din4*login bazadoidin4/log2din 5*loginbaza2din5/loginbaza2din6*loginbaza2din6/loginbaza2din7*loginbaza2din7/loginbaza2din8=observam ca se pot face simplificari pe diagonala
ramane login baza2 din2 /log in baza2 din 8=1/3
