Tìm \(x \) biết: \(\Large x \times \dfrac{1}{2} = \dfrac{5}{4}\) \(\La

Tìm \(x \) biết:

\(\Large x \times \dfrac{1}{2} = \dfrac{5}{4}\)

 

• A.

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

• B.

  \(\Large x = \dfrac{5}{2} \)

• C.

  \(\Large x = \dfrac{9}{2} \)

• D.

  \(\Large x = \dfrac{7}{2} \)

\(\Large x \times \dfrac{1}{2} = \dfrac{5}{4} \)

\(\Large x =  \dfrac{5}{4} : \dfrac{1}{2} \)

\(\Large x =  \dfrac{5}{2} \)