Tìm kiếm
$\text {My School}$ 
Nam
Cho $a,b,c > 0.$ . CMR:
$(1+\frac{1}{a})^{4} +(1+\frac{1}{b})^{4}+(1+\frac{1}{c})^{4}\geq 3(1+\frac{3}{2+abc})^{4}$
- Pham Le Yen Nhi yêu thích
HoangHungChelski
#479798 $(1+\frac{1}{a})^{4} +(1+\frac...
Gửi bởi
trong 29-01-2014 - 10:42
#479796 CM:$\frac{a}{b+c}+\frac{b}{...
Gửi bởi
trong 29-01-2014 - 10:37
