Question

x - 1/3.x bằng bao nhiêu ạ 

Answer 1

\(x-\dfrac{1}{3}x=x\left(1-\dfrac{1}{3}\right)=\dfrac{2}{3}x\)

Answer 2

\(=x\left(1-\dfrac{1}{3}\right)=\dfrac{2}{3}x\)

Answer 3

\(x-\dfrac{x}{3}=\dfrac{3x-x}{3}=\dfrac{2x}{3}\)