cho a,b,c>0 cm

\(\frac{a^3}{b^2}+\frac{b^3}{c^2}+\frac{c^3}{a^2}\ge a+b+c\)

choa,b,c >0

\(\frac{bc}{a}+\frac{ac}{b}+\frac{ab}{c}\ge\sqrt{a^2+b^2+c^2}\)

cho a,b,c>0

\(\frac{bc}{a}+\frac{ac}{b}+\frac{ab}{c}\ge a+b+c\)

Cho 1/a+1/b+1/c=1/a+b+c

CMR:1/a^2019+1/b^2019+C^2019=1/a^2019+b^2019+c^2019

find the word which has a different sound

1awipe b alive cmicro dlink

Khoanh dap an dung

they have tunrned (down/up) Jim's

a friend b hangicaped c tidy d education