\(\dfrac{1}{2}\times\dfrac{2}{3}=\dfrac{2}{6}=\dfrac{1}{3}\)
\(\dfrac{1}{2}\times\dfrac{2}{3}=\dfrac{2}{6}=\dfrac{1}{3}\)
\(\dfrac{2}{3}\times\dfrac{1}{2}=\dfrac{1}{3}\)
\(\dfrac{2}{3}\) : 2 x 1 hoặc \(\dfrac{2}{3}\) x \(\dfrac{1}{2}\) = \(\dfrac{1}{3}\)
1/2 của 2/3 là:
1/2x 2/3=1/3