Tính: \(\Large \dfrac{1}{5} \times \dfrac{2}{8}\) \(\Large \dfrac{1}{6

Tính:

\(\Large \dfrac{1}{5} \times \dfrac{2}{8}\) 

• A.

  \(\Large \dfrac{1}{6}\)

• B.

  \(\Large \dfrac{1}{20}\)

• C.

  \(\Large \dfrac{11}{16}\)

• D.

  \(\Large \dfrac{3}{6}\)

\(\Large \dfrac{1}{5} \times \dfrac{2}{8} = \dfrac{1 \times 2}{5 \times 8} = \dfrac{2}{40} = \dfrac{1}{20}\)