\(=\dfrac{3}{8}\cdot2=\dfrac{3}{4}\)
\(\dfrac{3}{8}:\dfrac{1}{2}=\dfrac{3}{8}\cdot2=\dfrac{3}{4}\)
\(\dfrac{3}{8}:\dfrac{2}{4}=\dfrac{3}{8}.2=\dfrac{6}{8}=\dfrac{3}{4}\)
Giải:
\(\dfrac{3}{8}:\dfrac{2}{4}=\dfrac{3}{8}.2=\dfrac{6}{8}=\dfrac{3}{4}\)
Hok tốt