Choa,b,c dương tm abc=1 CMR 2/(a+b+c)+1/3 >= 3/(ab+bc+ca)
#1
Posted 30-10-2016 - 09:53
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
Choa,b,c dương tm abc=1 CMR 2/(a+b+c)+1/3 >= 3/(ab+bc+ca)
0 members, 1 guests, 0 anonymous users