Bài 1: Cho \(a,b,c>0;a+b+c=9\). CMR:
\(\frac{a^3+b^3}{ab+9}+\frac{b^3+c^3}{bc+9}+\frac{c^3+a^3}{ca+9}\ge9\)
Bài 2: Cho \(a,b,c>0;a^2+b^2+c^2=3\). CMR:
\(\frac{a^2}{a+b^2}+\frac{b^2}{b+c^2}+\frac{c^2}{c+a^2}\ge\frac{a+b+c}{2}\)
Akai Haruma đây nha chị :D